Tyre pressure monitoring
Introduction
This chapter contains information on the following subjects:
Save tyre pressure values
119
The tyre pressure monitoring function (hereinafter referred to only as a sys-
tem) monitors the tyre pressure while driving.
When changing the tyre inflation pressure, the warning light illuminates
in
the instrument cluster and an audible signal is heard.
Information on the procedure for the notification of change of tyre inflation
pressure » page 40.
The system can only function properly if the tyres have the prescribed inflation
pressure and this pressure values are stored in the system.
WARNING
■
Having the correct tyre inflation pressure is always the driver's responsi-
bility. Tyre pressure should be checked regularly » page 153.
■
The system cannot warn in case of very rapid tyre inflation pressure loss,
e.g. in case of sudden tyre damage.
Save tyre pressure values
Fig. 110
Key for storing the pressure val-
ues
Read and observe on page 119 first.
Saving the tyre pressure values is undertaken as follows.
›
Inflate all the tyres to the specified pressure.
›
Switch on the ignition.
›
Press the symbol key
» Fig. 110 and hold.
The warning light in the instrument cluster illuminates.
An acoustic signal and the control indicator provide information about the
storage of the tyre pressure values.
›
Release the symbol key
.
The tyre pressure values are always stored in the system, if one of the follow-
ing events occurs.
›
Change of tyre inflation pressure.
›
Change one or more wheels.
›
Change in position of a wheel on the vehicle.
›
The warning light
in the instrument cluster.
WARNING
Before storing the pressures, the tyres must be inflated to the specified in-
flation pressure » page 153. When storing incorrect pressure values, the
system could possibly not issue any warnings, even with a too low tyre
pressure.
CAUTION
The tyre pressure values are to be saved every 10,000 km or once annually to
ensure correct system functioning.
119
Assist systems
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