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.
Steering Wheel Controls
2021 GMC Terrain SLT, 4WDSECTION Steering Wheel Controls
Steering Wheel Controls
| Items |
|---|
| 1. S78 Turn Signal/Multifunction Switch S78 Turn Signal/Multifunction Switch |
| 2. X85 Steering Wheel Air Bag Coil X85 Steering Wheel Air Bag Coil X1 , or X85 Steering Wheel Air Bag Coil X2 . |
| 3. S82 Windshield Wiper/Washer Switch S82 Windshield Wiper/Washer Switch |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.