See also:

Add-on Electrical Equipment
The OnStar system is integrated into the electrical architecture of the vehicle. Do not add any electrical equipment. See Add-On Electrical Equipment. Added electrical equipment may interfer ...

Speedometer
The speedometer shows the vehicle's speed in either kilometers per hour (km/h) or miles per hour (mph). ...

Storing an XM Station as a Favorite
Drivers are encouraged to set up their radio station favorites while the vehicle is stopped. Tune to favorite stations using the presets, favorites button, and steering wheel controls, if th ...