OnStar Services

See also:

When to Add Engine Oil
When to Add Engine Oil If the oil is below the cross-hatched area at the tip of the dipstick, add 1 L (1 qt) of the recommended oil and then recheck the level. See “Selecting the Right En ...

Hill Start Assist (HSA)
Some vehicles have a Hill Start Assist (HSA) feature, which may be useful when the vehicle is stopped on a grade. This feature is designed to prevent the vehicle from rolling, either forward or re ...

Hood
To open the hood: 1. Pull up on the hood release handle. It is located inside the vehicle to the left of the steering column. 2. Go to the front of the vehicle and with hand palm side down, sl ...