See also:

What you should know about automotive fuels
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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 ...

Blocked sensor
An extreme build-up of materials on the quarter panel fascias such as mud or snow can cause degraded performance of the BLIS . Also, heavy rain can cause the same effect. The BLIS can detect ...