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Parking Sensor Warning

The parking sensor system is switched off or faulty, often because a sensor is dirty, iced or damaged.

Normal risk

Park carefully using mirrors and the camera if fitted; the system may not warn you.

Short answer · Why is the parking sensor warning on?

A sensor is usually dirty, covered by snow or ice, damaged or disconnected. Clean all sensors on the bumpers and restart the car. If the warning remains, have the sensors tested.

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What to do

  1. Clean all sensorsWipe each round sensor on the bumpers.
  2. Look for damageA displaced or cracked sensor is often visible.
  3. Have it testedA workshop finds the faulty sensor with a scan tool.

How is the light behaving?

What you seeWhat it usually meansWhat to do
SteadySystem off or faultyClean sensors and have them checked

Possible causes

  1. Dirty or iced sensorThe most common cause.
  2. Damaged sensorAfter a knock or bumper repair.
  3. Wiring faultWater in a plug can cause intermittent faults.

Don't confuse it with

Questions about Parking Sensor Warning

Can bumper paint affect the sensors?

Yes, thick or wrong paint on a sensor can affect it.