Activating a Setting
1. Turn the Menu knob to highlight the setting.
2. Press SELECT to activate the setting.
See also:
Maintenance When Trailer Towing
The vehicle needs service more often when pulling a trailer.
See this manual's Maintenance Schedule or Index for more information. Things that
are especially important in trailer operation are ...
Onstar.com
The website provides access to
account information, manages the
OnStar subscription, and allows
viewing of videos of each service.
Get subscription plan pricing and
sign up for OnStar Vehicle ...
Once a Year
• Starter switch check. See Owner Checks and
Services.
• Parking brake and automatic transmission P (Park)
mechanism check. See Owner Checks and
Services.
• Automatic transmission shiftl ...