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Saving a new reference value for tyre pressure monitoring

The tyre pressure monitoring system needs a reference value to work from. This means that the value needs to be reset in certain circumstances for the system to work properly.

If the recommended tyre pressure has changed, a new reference value needs to be stored. This could be when certain changes have been made, such as every time you change to wheels that require a different recommended tyre pressure. The reference value also needs to be updated when there is a significant change in the car's weight due to loading or unloading.

To save a new reference value, the car needs to be turned on and stationary.

  1. Inflate the tyres to the correct tyre pressure.[1]
  2. Press the car symbol in the bottom bar and go to StatusTyre pressure.
  3. Select Update reference pressure.

    Note

    The Update reference pressure button is used to store a new reference value for the tyre pressure monitoring system. For safety reasons, it's only available when the car is turned on and stationary.
  4. Confirm that you want to store a new value. The confirmation step is needed to avoid saving a new reference value by mistake.
    This overwrites the previous tyre pressure and enters a new reference value.
  5. Start driving the car. The new value will be stored after driving for several minutes at a speed above 30 km/h (20 mph).
    • Once a new reference value is saved, the animation showing the saving progress disappears from the centre display.
    • If storing fails, a notification is shown in the centre display's car status view.

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