OnStar Additional Information
See also:
Shifting Into Four-Wheel Drive Low
When Four-Wheel Drive Low is engaged, vehicle speed should be kept below 72 km/h (45 mph).
Extended high-speed operation in Four-Wheel Drive Low may damage or shorten the life of the drivetrain.
To ...
Emissions Inspection and Maintenance Programs
Some local governments may have programs to inspect the on-vehicle emission control
equipment. For the inspection, the emission system test equipment is connected to
the vehicle’s Data Link Conn ...
Navigating an iPod or USB Device on the Main Audio
Screen (Vehicles with a Navigation
System)
1. Press and release or
to select the next or previous track within the selected category.
2. Press and hold or
to move quickly through the tracks.
3. Press and release to move up one track w ...





