See also:

Symbols
The vehicle has components and labels that use symbols instead of text. Symbols are shown along with the text describing the operation or information relating to a specific component, control, message ...

Cruise Control
Cruise Control : Press to turn cruise control on and off. The indicator comes on when cruise control is on. + RES: Press briefly to make the vehicle resume to a previously set speed, or press and ...

Customer Assistance Offices (U.S. and Canada)
GMC encourages customers to call the toll-free number for assistance. However, if a customer wishes to write or e-mail GMC, the letter should be addressed to: United States GMC Customer Assistance ...