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 ...

For Better and Worse
Without a doubt, the ATS feels a lot like the recently redesigned 3 Series sedan, with comparable attributes inside as well. The backseat has almost a half-inch more legroom than the 3 Series, but ...

Driving On Grades
Reduce speed and shift to a lower gear before starting down a long or steep downgrade. If the transmission is not shifted down, the brakes might have to be used so much that they would get h ...