See also:

Hazard warning lamps
The hazard warning lamps automatically switch on if:  - an air bag is deployed.  - the vehicle is slowed down severely from a speed of over 45 mph(70 km/h) and comes to a halt. ...

Range of the sensors
General notes The sensors must be free of dirt, ice and slush; otherwise they may not function correctly. Clean the sensors regularly, taking care not to scratch or damage them. Side view ...

Exhaust check
WARNING Inhalation of exhaust gas is hazardous to your health. All exhaust gas contains carbon monoxide (CO), and inhaling it can cause unconsciousness and possible death. Do not run the e ...