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Car Stereo Installation & Accessories for your 2018 Accent

Installing an aftermarket head unit involves more than just choosing a screen; it's about building a bridge between new technology and your vehicle's factory architecture. Without the right installation accessories, a high-end receiver can't provide the seamless look or the integrated functionality your car was designed with. From dash kits that match your interior texture to complex digital interfaces that talk to your vehicle's computer, these components are what make a professional-grade installation possible.

Whether you're looking to retain your steering wheel controls, adapt a proprietary antenna plug, or ensure your new Double-DIN screen sits flush in the dash, we carry a comprehensive selection of gear from industry leaders like Metra, Scosche, PAC, and iDatalink.

Use our FitFinder to find the exact parts required for your specific year, make, and model. It's the most reliable way to ensure your DIY project results in a factory-finished look.

It's a no-brainer. Get your installation gear here.

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Crux SWR-A

Steering Wheel Control Retention Interface for Analog SWC

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Steering Wheel Control Retention Interface for Analog SWC

• Retains Steering Wheel Controls
• Retains VR Command
• Works with Sony Radio with CarPlay Function
• Dimension: 3.5" L x 2.5" W x 7" H

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List price $90.30
-36% $58.05

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• Retains Steering Wheel Controls
• Retains VR Command
• Works with Sony Radio with CarPlay Function
• Dimension: 3.5" L x 2.5" W x 7" H

iDataLink Maestro ACC-NAV1

Connect Factory GPS Antenna to Select Alpine and Kenwood Navigation Stereos

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Connect Factory GPS Antenna to Select Alpine and Kenwood Navigation Stereos

• Fakra on factory GPS to select Alpine and Kenwood stereo
• Includes 9" GPS antenna adapter cable
• Plug-n-play, easy installation

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• Fakra on factory GPS to select Alpine and Kenwood stereo
• Includes 9" GPS antenna adapter cable
• Plug-n-play, easy installation

Scosche KAAB Antenna Adapter

Connect your factory antenna to a new aftermarket radio for select 2007-2025 vehicles from Hyundai, Kia, Genesis

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Connect your factory antenna to a new aftermarket radio for select 2007-2025 vehicles from Hyundai, Kia, Genesis

• Scosche Antenna Adapter
• Aftermarket Antenna Male (Motorola Plug) to Factory Radio Female (Proprietary Plug)
• select 2007-2025 vehicles from Hyundai, Kia, Genesis Vehicles

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• Scosche Antenna Adapter
• Aftermarket Antenna Male (Motorola Plug) to Factory Radio Female (Proprietary Plug)
• select 2007-2025 vehicles from Hyundai, Kia, Genesis Vehicles

iDataLink ADS-MIC1

Factory Microphone Retention Interface Module for select 2010-2024 vehicles from Ford, Subaru, Toyota (Requires ADS-MSR, MRR, or MR2 Module)

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Factory Microphone Retention Interface Module for select 2010-2024 vehicles from Ford, Subaru, Toyota (Requires ADS-MSR, MRR, or MR2 Module)

• Factory microphone retention interface module
• Retains the factory microphone when adding an aftermarket stereo
• Compatible with select 2010-2024 vehicles from Ford, Subaru, Toyota

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List price $99.99
-20% $79.99

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• Factory microphone retention interface module
• Retains the factory microphone when adding an aftermarket stereo
• Compatible with select 2010-2024 vehicles from Ford, Subaru, Toyota

iDataLink Maestro HRN-ANT-SAT2 Antenna Adapter

Connect Factory Satellite Stereo Antenna Adapter with SiriusXM Tuner

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Connect Factory Satellite Stereo Antenna Adapter with SiriusXM Tuner

• 39" Satellite stereo antenna adapter
• Connect factory satellite antenna to aftermarket stereo
• SMB connector for use on most aftermarket stereo tuners
• Compatible with all OEM satellite stereo antenna using FAKRA connector

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• 39" Satellite stereo antenna adapter
• Connect factory satellite antenna to aftermarket stereo
• SMB connector for use on most aftermarket stereo tuners
• Compatible with all OEM satellite stereo antenna using FAKRA connector

Metra 40-KI11 Antenna Adapter

Install a New Car Stereo and Retain Factory Antenna in select 2009-2024 vehicles from Hyundai, Kia

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Install a New Car Stereo and Retain Factory Antenna in select 2009-2024 vehicles from Hyundai, Kia

• Retains vehicle factory antenna for select 2009-2024 vehicles from Hyundai, Kia
• Male Motorola on one end
• Female factory-style antenna connector on one end
• Easy installation
• No cutting or splicing required

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• Retains vehicle factory antenna for select 2009-2024 vehicles from Hyundai, Kia
• Male Motorola on one end
• Female factory-style antenna connector on one end
• Easy installation
• No cutting or splicing required

iDataLink Maestro HRN-ANT-SAT1 Antenna Adapter

Connect Factory Satellite Stereo Antenna Adapter with SiriusXM Tuner

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Connect Factory Satellite Stereo Antenna Adapter with SiriusXM Tuner

• Satellite stereo antenna adapter
• Connects SiriusXM to vehicle's factory satellite stereo antenna
• FAKRA-to-SMB adapter cable
• Plug-n-play installation

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Ships in 10-14 days

• Satellite stereo antenna adapter
• Connects SiriusXM to vehicle's factory satellite stereo antenna
• FAKRA-to-SMB adapter cable
• Plug-n-play installation

iDataLink Maestro ACC-NAV2

Connect Factory GPS Antenna to Select Pioneer Navigation Stereos

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Connect Factory GPS Antenna to Select Pioneer Navigation Stereos

• Fakra on factory GPS to select Pioneer stereos
• Includes 9" GPS antenna adapter cable
• Plug-n-play, easy installation

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List price $21.99
-23% $16.99

In stock

• Fakra on factory GPS to select Pioneer stereos
• Includes 9" GPS antenna adapter cable
• Plug-n-play, easy installation

iDataLink Maestro ACC-USB-HK2 USB Adapter

Connect Factory USB Port to Aftermarket Car Stereo in select 2015-2025 vehicles from Hyundai, Kia

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Connect Factory USB Port to Aftermarket Car Stereo in select 2015-2025 vehicles from Hyundai, Kia

• USB adapter for select 2015-2025 vehicles from Hyundai, Kia
• Retains vehicle's factory USB port
• Connects factory USB port on aftermarket stereos

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List price $75.99
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• USB adapter for select 2015-2025 vehicles from Hyundai, Kia
• Retains vehicle's factory USB port
• Connects factory USB port on aftermarket stereos

Metra 40-KI21 Antenna Adapter

Connect Aftermarket Antenna to Factory Stereo in select 2009-2025 vehicles from Hyundai, Kia

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Connect Aftermarket Antenna to Factory Stereo in select 2009-2025 vehicles from Hyundai, Kia

• Antenna adapter for select 2009-2025 vehicles from Hyundai, Kia
• Adapts vehicle's factory stereo to use with an aftermarket antenna
• Easy installation, no major modification required

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• Antenna adapter for select 2009-2025 vehicles from Hyundai, Kia
• Adapts vehicle's factory stereo to use with an aftermarket antenna
• Easy installation, no major modification required

Metra 71-7306 Wiring Harness

Factory Stereo Replacement Wiring Harness for select 2017-2023 vehicles from Kia, Hyundai

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Factory Stereo Replacement Wiring Harness for select 2017-2023 vehicles from Kia, Hyundai

• Wiring harness for select 2017-2023 vehicles from Kia, Hyundai
• Direct connection to the factory stereo
• Color coded wires for easy installation
• No cutting or splicing required

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• Wiring harness for select 2017-2023 vehicles from Kia, Hyundai
• Direct connection to the factory stereo
• Color coded wires for easy installation
• No cutting or splicing required

Metra 40-KI31 Antenna Adapter

Connect Factory Stereo and Antenna to FM Modulator in select 2009-2025 vehicles from Hyundai, Kia

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Connect Factory Stereo and Antenna to FM Modulator in select 2009-2025 vehicles from Hyundai, Kia

• Antenna adapter for select 2009-2025 vehicles from Hyundai, Kia
• Adapts vehicle's factory stereo and antenna to use with FM modulator
• Easy installation, no major modification required

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Ships in 10-14 days

• Antenna adapter for select 2009-2025 vehicles from Hyundai, Kia
• Adapts vehicle's factory stereo and antenna to use with FM modulator
• Easy installation, no major modification required

Metra 70-7306 Wiring Harness

Install a new car stereo and retain factory amplifier in select 2017-2023 vehicles from Kia, Hyundai

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Install a new car stereo and retain factory amplifier in select 2017-2023 vehicles from Kia, Hyundai

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Pre-wired for ASWC-1 (Sold separately)

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• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Pre-wired for ASWC-1 (Sold separately)

Crux SWRHK-65Q

Install a New Car Stereo and Retain Steering Wheel Controls and Other Factory Features in select 2016-2022 vehicles from Kia, Hyundai with Factory 5" Screens

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Install a New Car Stereo and Retain Steering Wheel Controls and Other Factory Features in select 2016-2022 vehicles from Kia, Hyundai with Factory 5" Screens

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Metra 95-7393B Dash Kit

Double-DIN car stereo in select 2018-2022 Accent

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Double-DIN car stereo in select 2018-2022 Accent

• Double DIN Dash Kit
• Painted scratch-resistant silver
• High-Grade ABS plastic construction
• Compatible with select 2018-2022 Accent Vehicles

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• Double DIN Dash Kit
• Painted scratch-resistant silver
• High-Grade ABS plastic construction
• Compatible with select 2018-2022 Accent Vehicles

Axxess AXDIS-HK3

Install a New Car Stereo and Retain Backup Camera, Steering Wheel Audio Controls and Other Factory Features in

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Install a New Car Stereo and Retain Backup Camera, Steering Wheel Audio Controls and Other Factory Features in

• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

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• Direct connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required

Axxess AXDIS-HK3BT Wiring Interface

Install New Car Stereo and Retain Steering Wheel Controls, Backup Camera and Other Wireless Factory Features In select 2017-2022 vehicles from Hyundai, Kia

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Install New Car Stereo and Retain Steering Wheel Controls, Backup Camera and Other Wireless Factory Features In select 2017-2022 vehicles from Hyundai, Kia

• Stereo Replacement Interface for select 2017-2022 vehicles from Hyundai, Kia
• Retains audio controls on the vehicle’s steering wheel
• Retains factory 3.5mm AUX-IN, balance, and fade
• Provides NAV (parking brake, reverse, speed sense)
• Controls personalization settings via Bluetooth
• Designed for amplified and non-amplified models

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• Stereo Replacement Interface for select 2017-2022 vehicles from Hyundai, Kia
• Retains audio controls on the vehicle’s steering wheel
• Retains factory 3.5mm AUX-IN, balance, and fade
• Provides NAV (parking brake, reverse, speed sense)
• Controls personalization settings via Bluetooth
• Designed for amplified and non-amplified models

iDataLink Maestro HRN-HRR-HK3 Wiring Harness

Install a New iDataLink Compatible Car Stereo and Retain Steering Wheel Controls and Other Factory Features in select 2016-2022 vehicles from Kia, Hyundai

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Install a New iDataLink Compatible Car Stereo and Retain Steering Wheel Controls and Other Factory Features in select 2016-2022 vehicles from Kia, Hyundai

• Stereo replacement harness for select 2016-2022 vehicles from Kia, Hyundai
• Designed for use with RR2 module
• Retains use of steering wheel controls and factory amplifier
• Retains factory backup camera, Retained Accessory Power

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• Stereo replacement harness for select 2016-2022 vehicles from Kia, Hyundai
• Designed for use with RR2 module
• Retains use of steering wheel controls and factory amplifier
• Retains factory backup camera, Retained Accessory Power

Metra 99-7393B Dash Kit

Install a new Single-DIN car stereo in select 2018-2022 Accent

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Install a new Single-DIN car stereo in select 2018-2022 Accent

• Single-DIN or Double-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Compatible with select 2018-2022 Accent Vehicles

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• Single-DIN or Double-DIN Dash Kit
• High-Grade ABS plastic construction
• Original factory-like fit and finish
• Compatible with select 2018-2022 Accent Vehicles

Metra 70-7307 Wiring Harness

Install a new car stereo and retain factory amplifier in select 2017-2022 vehicles from Kia, Hyundai

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Install a new car stereo and retain factory amplifier in select 2017-2022 vehicles from Kia, Hyundai

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Pre-wired for ASWC-1 (Sold separately)
• Retains balance and fade
• Retains the factory backup camera

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Ships in 10-14 days

• Direct Connection to the factory harness
• Color coded wires for easy installation
• No cutting or splicing required
• Pre-wired for ASWC-1 (Sold separately)
• Retains balance and fade
• Retains the factory backup camera

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    FAQ Frequently asked questions in Car Stereo Installation & Accessories


    In most modern vehicles, the factory radio is part of a larger, integrated dash panel rather than a standardized rectangular box. A vehicle-specific dash kit provides the necessary brackets and trim pieces to adapt the universal ISO-mount of an aftermarket stereo to the unique shape and mounting points of your dashboard.

    Choosing the right Car Stereo Installation & Accessories begins with understanding your vehicle's make, model, and year. This information helps you select compatible wiring harnesses and mounting kits. Next, consider your audio preferences. If you're looking to upgrade your car's sound system significantly, opt for an amplifier installation kit that matches your amplifier's power requirements.Additionally, check the head unit's compatibility with your smartphone and other devices.

    Features like Bluetooth connectivity, Apple CarPlay, or Android Auto can greatly enhance your driving experience. Ensure that the accessories you choose align with your car audio goals, whether it's improved sound quality, convenience, or connectivity.

    Not if you use a Steering Wheel Control (SWC) interface. These modules translate the signals from your factory buttons into a language your new stereo understands. Many modern integration harnesses, like the iDatalink Maestro, include this functionality along with the ability to display engine data and tire pressure on your new screen.
    We strongly recommend using a wiring harness. Cutting factory wires is permanent, increases the risk of short circuits, and can void your vehicle's electrical warranty. A harness allows you to do all your soldering or crimping on the bench, then simply plug the new assembly into the factory connector without damaging the car's original wiring.

    Safety is paramount during Car Stereo Installation & Accessories installation. Start by disconnecting the car's battery to avoid electrical accidents. When handling wiring and electrical connections, follow proper insulation techniques to prevent short circuits or fires. Secure all cables and wires away from moving parts like steering columns and pedals.

    During the installation of amplifiers and subwoofers, ensure that they are securely mounted to prevent movement while driving. Avoid drilling into gas tanks, brake lines, or other sensitive areas when installing components. It's also a good practice to have a fire extinguisher and a first aid kit on hand in case of emergencies.

    All About

    Car Stereo Installation & Accessories

    Navigating the hardware required for a radio swap can be confusing. To get the job done right the first time, it's helpful to understand the specific role each accessory plays in the signal chain and the physical assembly.

    Dash Kits: The Cosmetic Foundation

    The dash kit is what ensures your new stereo doesn't look like an afterthought. These kits are engineered to match the exact color, texture, and contour of your factory dash.

    • Single-DIN Kits: Feature a 2-inch tall opening, often including a storage pocket to fill the extra space.
    • Double-DIN Kits: Feature a 4-inch tall opening designed for large touchscreens and multimedia receivers.
    • Multi-Kits: Versatile designs that can be configured for either size depending on your hardware choice.

    Wiring Harnesses and Data Interfaces

    The wiring harness is the electrical nervous system of your install.

    • Standard Harnesses: Provide basic power, ground, and speaker connections for older vehicles.
    • Data Interfaces: Required for modern vehicles with CAN-bus systems. These modules "talk" to the car’s computer to provide a 12V switched power source (which many new cars lack at the radio) and retain safety features like door chimes, OnStar, or factory amplifiers.

    Steering Wheel and Camera Retention

    Convenience and safety shouldn't be sacrificed for better sound. Dedicated interfaces allow you to keep your hands on the wheel and your eyes on the screen when reversing. If your vehicle has a factory backup camera, a camera retention adapter allows you to feed that video signal directly into your new touchscreen's RCA input.

    Professional Installation Tools

    Using the wrong tools can lead to cracked plastic or scratched leather. A set of nylon trim removal tools is essential for prying off dash panels without leaving permanent pry marks. Additionally, we recommend high-quality crimp connectors or heat-shrink tubing to ensure your electrical connections remain stable through years of vehicle vibration.

    The Sonic Electronix Advantage

    We take the guesswork out of the DIY process. When you use our vehicle selector, we don't just show you parts that "might" work; we curate a list of accessories verified to fit your specific cabin. As an Authorized Online Retailer for reputable brands, every interface and kit we sell is backed by full technical support to help you through the trickiest parts of your installation.

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    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
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    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.