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.
2012 GMC Terrain FWD L4-2.4LFACTORY OEM SERVICE PROCEDURE
Steering Column Components
Instrument Panel/Center Console Component Views
Steering Column Components
1 - S78 Turn Signal/Multifunction Switch
2 - X85 Steering Wheel Air Bag Coil
3 - S82 Windshield Wiper/Washer Switch
4 - S39 Ignition Switch
5 - M93 Ignition Cylinder Lock Control Solenoid Actuator
6 - B101 Immobilizer Antenna
7 - B99 Steering Wheel Angle Sensor
Factory Service Tools
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.