See also:

Flash-to-Pass
This feature lets you use the high-beam headlamps to signal a driver in front of you that you want to pass. It works even if the headlamps are in the automatic position. To use it, pull the turn sign ...

Customer Satisfaction Procedure (U.S. and Canada)
Your satisfaction and goodwill are important to your dealer and to GMC. Normally, any concerns with the sales transaction or the operation of the vehicle will be resolved by your dealer's sales or ser ...

Trailer-Tow Mirrors
If the vehicle has towing mirrors, they can be adjusted for a clearer view of the objects behind you. Manually pull out the mirror head to extend it for better visibility when towing a trailer. Th ...