See also:

How OnStar Service Works
Push this blue button to connect to a specially trained OnStar Advisor to verify your account information and to answer questions. Push this red emergency button to get priority help from specially ...

Hill and Mountain Roads
Driving on steep hills or through mountains is different than driving on flat or rolling terrain. Tips for driving in these conditions include: Keep the vehicle serviced and in good shape. Che ...

Increasing Speed While Using Cruise Control
If the cruise control system is already activated: • Move the thumbwheel up toward RES/+ and hold it until the vehicle accelerates to the desired speed, and then release it. • To incre ...