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.
Repair Procedures: Inspection
Inspection procedure for vehicle with Forward Collision-Avoidance Assist and Smart Cruise Control system failure
- Check the bumper appearance for accident (check the vehicle appearance visually and see bumper replacement history).
→ In case of the vehicle was involved in an accident, there is a high possibility that the FCA radar is out of the original default position.
- Check for contamination of the radar sensor cover of the bumper.
→If contaminated, there is a high possibility that the FCA system is deactivated during operation due to the foreign substances.
- After turning on the engine, check the FAC warning lamp and DTC.
(Refer to the DTC INDEX .)
NO RELATED
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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.