See also:

Using Voice Commands During a Planned Route
Cancel Route 1. Push . System responds: “OnStar ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel route directions to your destination?” 2. Say “Yes.” System re ...

Rear-Seat Pass Through
If the vehicle has the rear-seat pass through door, the trunk can be accessed through the rear seat. This is useful when transporting long items. To open the door, pull down the rear seat ar ...

Treadwear
The treadwear grade is a comparative rating based on the wear rate of the tire when tested under controlled conditions on a specified government test course. For example, a tire graded 150 would w ...