See also:

Maintenance When Trailer Towing
The vehicle needs service more often when pulling a trailer. See Scheduled Maintenance for more information. Things that are especially important in trailer operation are automatic transmission ...

Your Responsibility
Increase the volume of the radio if the OnStar advisor cannot be heard. If the light next to the OnStar buttons is red, the system may not be functioning properly. Press and request a vehicle ...

DSP (Digital Signal Processing) Settings
For vehicles with DSP, it is used to provide a choice of different listening experiences. The DSP settings for the radio with CD are: • normal - Select this setting to adjust the audio for ...