See also:

Different Size Tires and Wheels
If you add wheels or tires that are a different size than your original equipment wheels and tires, this may affect the way your vehicle performs, including its braking, ride and handling charac ...

Finding a Station
BAND: Press this button to switch between FM1, FM2, AM, or XM1 or XM2 (if equipped). The display shows the selection. TUNE : Turn this knob to select radio stations. SEEK : Press either the ...

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 ...