See also:

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 Advi ...

Cleaning Exterior Lamps/Lenses
Use only lukewarm or cold water, a soft cloth and a car washing soap to clean exterior lamps and lenses. Follow instructions under Washing Your Vehicle. ...

Remote Lock/ Unlock/ Start
Select Remote Lock Unlock, Start and the following will be displayed (depending on the system): Remote Lock Feedback Remote Door Unlock Remote Unlock Feedback Remote Lock Feedback This a ...