See also:

Purposeful technology
Comprehensive connectivity is enabled by OnStar's remote vehicle access, which makes keeping tabs on the vehicle a breeze from anywhere with a smart phone. Highlights include: Passive entry Hea ...

Roadside Assistance Program
For U.S.-purchased vehicles, call 1-800-252-1112; (Text Telephone (TTY): 1-888-889-2438). For Canadian-purchased vehicles, call 1-800-268-6800. Service is available 24 hours a day, 365 days a year. ...

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 ...