See also:

Driving with a Trailer
WARNING When towing a trailer, exhaust gases may collect at the rear of the vehicle and enter if the liftgate, trunk/hatch, or rear-most window is open. Engine exhaust contains Carbon Monoxid ...

Liftgate
Power Liftgate Vehicles with an automatic transmission must be in P (Park) and a manual transmission must be in Neutral to operate the power liftgate. To open the liftgate from inside, s ...

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 ...