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.
2010 GMC Terrain SLT, 3.0 Y, FWDFACTORY OEM SERVICE PROCEDURE
Circuit/System Verification
- Inspect the rearview camera and verify there are no debris on the lens and that the bezel or bezel seal is not damaged.
- If debris are found on the lens, clean the lens. If the lens, bezel, or bezel seal are damaged, replace as necessary.
- Ignition ON, vehicle in PARK, verify the backup lamps are off.
- If the backup lamps are illuminated, refer to Backup Lamps Malfunction .
- Transmission in REVERSE, verify the backup lamps are on.
- If the backup lamps are not illuminated, refer to Backup Lamps Malfunction .
- Engine running, transmission in REVERSE, verify a clear rear vision image is displayed on the inside rearview mirror.
- If a clear image is not displayed, refer to Circuit/System Testing.
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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