See also:

Ride & Handling
Unfortunately, the ride is another area where the Super looks better on paper than the other Lucerne trim levels, but in some ways performs worse. The CXL's suspension tuning is firmer than that o ...

Making Turns
Notice: Making very sharp turns while trailering could cause the trailer to come in contact with the vehicle. The vehicle could be damaged. Avoid making very sharp turns while trailering. ...

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 ...