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.
Multi-Function Steering Wheel
The multifunction steering wheel makes it possible to control some functions of the Communications System and the cruise control from the steering wheel.
The Multi-Function Steering Wheel Control Module -J453- communicates only with the Steering Column Electronic Systems Control Module -J527-. Data commands are processed there once more for further communication.
The Multifunction Steering Wheel is made up of the following components:
- Left Multifunction Buttons On Steering Wheel -E440- with integrated Multifunction Steering Wheel Control Module -J453-
- Right Multifunction Buttons On Steering Wheel -E441-
Multifunction Steering Wheel has On Board Diagnostic (OBD) capabilities.
For troubleshooting, use the Vehicle Diagnostic Tester in the "Guided Fault Finding" function.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.