OnStar Services

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Power Seats
To adjust a power seat, do any of the following: • Move the seat forward or rearward by sliding the control forward or rearward. • Raise or lower the front part of the seat cushion by movi ...

Ignition Transmission Lock Check
While parked, and with the parking brake set, try to turn the ignition to LOCK/OFF in each shift lever position. • The ignition should turn to LOCK/OFF only when the shift lever is in P (Park). ...

Backglass Wiper Blade Replacement
1. Lift the wiper blade assembly up and out of the park rest position. 2. Pull the wiper blade assembly away from the backglass. The backglass wiper blade will not lock in a vertical position, s ...