Receiving a Call
When an incoming call is received, the audio system mutes and a ring tone is heard in the vehicle.
- Press 
to answer the call.
- Press 
to ignore a call.
See also:
Flash-to-Pass
Use your high-beam headlamps to signal to a driver in front that you want to
pass. It works even if the headlamps are in the automatic position.
To use it, pull the turn signal lever toward you, th ...
Torque Lock
If you are parking on a hill and you do not shift the transmission into P (Park)
properly, the weight of the vehicle can put too much force on the parking pawl in
the transmission. It might be dif ...
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 ...