Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Shift Lock System
Shift lock system prevents gearshift lever movement from "P" position unless brake pedal is depressed, ignition is on and release button on gearshift lever is depressed. Shift lock system uses a safety lock controller and shift lock solenoid for controlling gearshift lever operation. When brake pedal is depressed, brake switch delivers an input signal to safety lock controller to indicate that brakes are applied, allowing gearshift lever movement from "P" position. Safety lock controller and shift lock solenoid are located near gearshift lever. See Figure . Only adjustment procedures are available from manufacturer at time of publication. See SHIFT LOCK CABLE ADJUSTMENT under ON-VEHICLE SERVICE in appropriate TRANSMISSIONS OVERHAUL - A/T article.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.