See also:

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 ...

Shifting out of Park
This vehicle is equipped with an electronic shift lock release system. The shift lock release is designed to: • Prevent ignition key removal unless the shift lever is in P (Park) with the shift le ...

Security Light
The immobilizer light should come on briefly as the engine is started. If it does not come on, have the vehicle serviced by your dealer. If the system is working normally, the indicator light tu ...