See also:

Split Folding Seatbacks
With this feature, either side of the rear seatback can be folded down for more cargo space. WARNING If either seatback is not locked, it could move forward in a sudden stop or crash. That could ...

Transferring Service
Push to request account transfer eligibility information. The Advisor can assist in canceling or removing account information. If OnStar receives information that vehicle ownership has changed, OnSta ...

Diagnostics
OnStar Vehicle Diagnostics will perform a vehicle check every month. It will check the engine, transmission, antilock brakes, and major vehicle systems. It also checks the tire pressures, if the vehic ...