See also:

RKE without Remote Start Shown
(Unlock): Press to unlock the driver door or all doors. See “Auto Door Unlock” under Vehicle Personalization . The turn signal indicators may flash and/or the horn may sound to indicate unlo ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the v ...

Door Ajar Messages
DRIVER DOOR OPEN This message will display when the driver door is open. Close the door completely. HOOD OPEN This message will display when the hood is open. Close the hood completely. LEFT REAR ...