See also:

Compass Variance
Compass variance is the difference between earth’s magnetic north and true geographic north. The mirror is set to zone eight upon leaving the factory. It will be necessary to adjust the compass ...

Overview (Radio with CD and Touchscreen)
For vehicles equipped with the MyLink® or IntelliLink® infotainment system, see the separate MyLink/IntelliLink Features and Functions Guide for more information. Keeping your eyes on the roa ...

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 ...