OnStar

See also:

Road Sensing Suspension
The Road Sensing Suspension (RSS) feature provides superior vehicle ride and handling under a variety of passenger and loading conditions. The system is fully automatic and uses a computer controll ...

Services Specific to Canadian-Purchased Vehicles
- Fuel Delivery: Reimbursement is approximately $5 Canadian. Diesel fuel delivery may be restricted. Propane and other fuels are not provided through this service. - Lock-Out Service: Vehicl ...

Passing
More passing distance is needed when towing a trailer. Because the rig is longer, it is necessary to go much farther beyond the passed vehicle before returning to the lane. ...