Chevrolet Silverado: Vehicle Checks / Automatic Transmission Shift Lock Control Function Check

Chevrolet Silverado 2019-2026 Owners Manual / Vehicle Care / Vehicle Checks / Automatic Transmission Shift Lock Control Function Check

Warning

When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured.

Before starting this check, be sure there is enough room around the vehicle. It should be parked on a level surface.
Apply the parking brake. Be ready to apply the regular brake immediately if the vehicle begins to move.
With the engine off, turn the ignition on, but do not start the engine. Without applying the regular brake, try to move the shift lever out of P (Park) with normal effort. If the shift lever moves out of P (Park), contact your dealer for service.

Starter Switch Check

Warning When you are doing this inspection, the vehicle could move suddenly. If the vehicle moves, you or others could be injured. Before starting this check, be sure there is enough room around the vehicle...

Ignition Transmission Lock Check

If equipped with Key Access ignition, while parked, and with the parking brake set, try to turn the ignition off in each shift lever position. The ignition should turn to off only when the shift lever is in P (Park)...

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