1. The sensor eye surface is dirty and attach by foreign substances.
2. Condensation occur at the sensor eye surface after washing car under extreme cold surrounding.
Suggest the owner to repair on his own first.
1. Stop the car at a safe place.
2. Use water and cloth to clean all the sensor eye surface.
3. Do not use excessive force to wipe the sensor eye.
4. If the problem still exist after cleaning the sensor eye surface, suggest to visit workshop for further checking.