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Clifford AvantGuard5.1 (P/N 919640)

1-way Vehicle Security System with Remote Start and Keyless Entry

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The product on this page is discontinued.

Specials with this product

  • Free Ground Shipping to the 48 statesdetails
  • 4-Channel Security and Remote Start System with Optional Keyless Entry
  • Plain View 2 Code protected valet mode/override
  • Two 5-Button extended range remotes
  • ACG-2 Defeats remote "cloning" devices used by thieves
  • Fact-2 (False Alarm Control and Test) anti-falsing circuitry
  • Programmable ultra-secure starter immobilization
  • SecureAccess full-time feature customization
  • Remote panic feature with smart locking and unlocking
  • High-output siren with user selectable 30/60/90 second duration
  • Blue status LED Indicator
  • Omni-sensor, proximity sensor, digital tilt motion sensor
  • Remote power door lock control
  • 3 Auxiliary channels
  • G5 Glass break sensor
  • Built-in parking light flasher
  • 1-year SonicElectronix.com warranty

Also found as: avantguard51

Product History:
Clifford AvantGuard5.1 (P/N 919640) thumbnail
(newest, current model)
Clifford Avant Guard G5  thumbnail
(previous model, replaced by Clifford AvantGuard5.1 (P/N 919640))
General Features
Security System TypeSecurity with Remote Start
Car AlarmYes
Remote StartYes
Keyless EntryYes
2-way PagingN/A
Number of Remotes2
Number of Buttons on Primary Remote5
Main Transmitter TypeButton(s)-only
Sidekick Remote Transmitter TypeButton(s)-only
LED/Display ColorBlue
Number of Vehicles SupportedN/A
Number of Auxiliary Outputs3
PC ProgrammableNo
Professional Installation RecommendedYes
Convenient Features
Panic ModeN/A
Trunk ReleaseYes
Valet ModeYes
Remote Start Features
Cold Start TimerNo
Turbo TimerNo
Compatible with Diesel EnginesYes
Engine Start IntervalsNo
Warranty and Return Policy
Return Policy Standard Return Policy
Parts Warranty Duration1 year
Labor Warranty Duration1 year
Warranty ProviderSonic Electronix
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Product Summary

Manufacturer: Clifford
Model number: AvantGuard5.1
UPC: 093207052088
Weight: 8.00 lbs
Internal SKU: cli-919640
Internal product ID: 20541
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Customer Testimonial

A couple of my orders were processing, but an associate helped me on the phone, took only about two minutes and I was very happy. Excellent service, and I will continue to buy from Sonic!!!!

- Nick from Cedar Rapids, IA

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