OnStar®
OnStar OverviewDolly Towing
To tow the vehicle with the two rear wheels on the ground and the front wheels
on a dolly:
Put the front wheels on a dolly.
Shift the automatic transmission into P (Park) or a manual transmission
into 1 (First) gear.
Set the parking brake.
Clamp the steering wheel in a straight-ah ...
California Fuel Requirements
If the vehicle is certified to meet California Emissions Standards, it is designed
to operate on fuels that meet California specifications. See the underhood emission
control label. If this fuel is not available in states adopting California Emissions
Standards, the vehicle will operate satisf ...
Wheels and Trim-Aluminum or Chrome
Use a soft, clean cloth with mild soap and water to clean the wheels.
After rinsing thoroughly with clean water, dry with a soft, clean towel.
A wax may then be applied.
Caution
Chrome wheels and other chrome trim may be damaged if the vehicle
is not washed after driving on roads that have bee ...