GMC Terrain: Ignition Transmission Lock Check - Vehicle Checks - Vehicle Care - GMC Terrain Owner's ManualGMC Terrain: 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).
○ The ignition key should come out only in LOCK/OFF.

Contact your dealer if service is required.

    Automatic Transmission Shift Lock Control Function Check
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    Park Brake and P (Park) Mechanism Check
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