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Driver assist systems
TPI calibration values are stored and consist of values concerning differences in tyre
sizes, different tyre types and tyre manufacturer tolerances. If certain values are
changed, TPI calibration is required.
TPI must be calibrated:
– When the vehicle is first taken into service.
– If a tyre is changed, or
– If a wheel is changed, or
– If the tyre pressure is adjusted to a different value than the initially calibrated tyre
pressure.
NOTE: Not calibrating TPI in these circumstances can lead to an unjustified
TPI warning.
How to calibrate TPI
1. Adjust all tyres to the correct tyre pressure. See section 'Tyres' in chapter
'Technical data and identification'.
2. Select 'Vehicle info' in the main overview, using the 'Menu Control Switch'
3. Select 'Tyre pressure'
4. Select 'No' to initiate the TPI calibration.
5. Select 'Yes' in the pop-up screen 'Tyre pressure calibration required'.
6. A pop-up screen indicates that the calibration is in progress
After driving approximately 25 km, TPI is calibrated automatically.
NOTE: The driving distance required to calibrate TPI depends on the road
conditions (bends) and driving conditions (braking).
If the pop-up screen indicates that calibration has failed, the procedure to
calibrate TPI must be repeated.
NOTE: TPI (Tyre Pressure Indication) is not available on all vehicle types.
DW63246305.book Page 274 Friday, March 22, 2019 4:54 PM
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