OnStar Personal Identification Number (PIN)
A PIN is needed to access some of the OnStar services, like Remote Door Unlock and Stolen Vehicle Assistance. You will be prompted to change the PIN the first time when speaking with an Advisor. To change the OnStar PIN, call OnStar and provide the Advisor with the current number.
See also:
Engine Cooling System Messages
A/C OFF DUE TO HIGH ENGINE TEMP
This message displays when the engine coolant becomes hotter than the normal
operating temperature. To avoid added strain on a hot engine, the air conditioning
com ...
Starting the Engine
Move the shift lever to P (Park) or N (Neutral). The engine will not start in
any other position. To restart the vehicle when it is already moving, use N (Neutral)
only.
Notice: Do not try to shi ...
Languages
The vehicle can be programmed to respond in French or Spanish. Push and ask an Advisor. Advisors can speak French or Spanish. ...





