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 ...

Driving Characteristics and Towing Tips
WARNING The driver can lose control when pulling a trailer if the correct equipment is not used or the vehicle is not driven properly. For example, if the trailer is too heavy, the brakes may n ...

Services Provided
• Emergency Fuel Delivery: Delivery of enough fuel for the vehicle to get to the nearest service station. • Lock-Out Service: Service to unlock the vehicle if you are locked out. A remot ...