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 Interlock System
The shift interlock system prevents the selector lever from being moved out of the PARK position. The ignition switch must be in the ON position and the brake pedal depressed to move the selector lever out of the PARK position. The brake pedal position is detected by the brake pedal position (BPP) switch.
The manual override button will mechanically bypass the electronic portion of the shift interlock system and allow the selector lever to be moved out of the PARK position. The manual override button is part of the selector lever assembly.
To override the brake shift interlock, remove the tethered cap on the selector bezel with a small screwdriver. With the brake pedal depressed, insert a small screwdriver into the access hole, press down and pull the selector lever out of PARK.
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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.