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.
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HOMESERVICE MANUALSBUICK2010LUCERNE CXL, 3.9 MREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 142 (OBJECT DETECTION SYSTEM)REPAIR INSTRUCTIONSREAR OBJECT SENSOR REPLACEMENTINSTALLATION PROCEDURE
2010 Buick Lucerne CXL, 3.9 M
Installation Procedure
2010 Buick Lucerne CXL, 3.9 MSECTION Installation Procedure
WARNING: This page is about a different car, the 2010 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
- Paint the rear object sensor. Refer to Basecoat/Clearcoat Paint Systems .
- Ensure the paint does not exceed 6 mils. Use a paint thickness gauge suitable for non-ferrous metals. Refer to Paint Gauges .
NOTE:
Do not refinish previously painted sensors. Excess paint build up will cause the sensor to be inoperative.
RENDER: 1.0x
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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.