See also:

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 ...

Vehicle and Power Issues
OnStar services require a vehicle electrical system, wireless service, and GPS satellite technologies to be available and operating for features to function properly. These systems may not o ...

Adjusting the EQ (Equalizer)
For vehicles with an equalizer: 1. Press the TONE button. 2. Select EQ. 3. Select the setting. Press the BACK button to go back to the Tone Settings menu. ...