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  1. Audio/Multimedia
    Hello all! I got the notice from OnStar a while ago that my '09 Colorado would lose its OnStar connectivity due to 2G networks going down in favor of 4G and 5G, and that to keep services (with caveats) I have to put this 'Link' into my OBDII sensor. I was wondering if you need to have your cell...
  2. Schematics
    2009+ Onstar Schematics
  3. Radio Antenna
    (U2K) Drivelines: 2WD; 4WD; DAS: COMMUNICATION SYSTEM VEHICLE, G.P.S. 1 GPS 1 VEH COMM SYS(UE1); DIGITAL AUDIO SYSTEM S-BAND DIGITAL S-BAND AUDIO SYS(U2K)
  4. Colorado & Canyon News and Press Releases
    DETROIT – Avoid zombies, vampires, werewolves, witches, ghosts and any other ghouls that may cause havoc this Halloween with OnStar’s new “Monster Dodger” service. Specially trained OnStar Advisors can help save you from that herd of undead doing their best “Thriller” in the road ahead or...
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