See also:

Compass calibration adjustment
and high voltage lines. For optimum calibration, turn off all electrical accessories (heater/air conditioning, wipers, etc.) and make sure all vehicle doors are shut. 1. Start the vehicle. 2 ...

Underbody
Flush the complete underside of your vehicle frequently. Keep body and door drain holes free from packed dirt. ...

Collision warning system limitations
Due to the nature of radar technology, there may be certain instances where vehicles will not provide a collision warning. These include: • Stationary or slow moving vehicles below 6 mph (10 km/h ...