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pressure to the recommended cold tyre pressure
suitable for the operating situation.
In most cases, the tyre pressure monitoring sys‐
tem will automatically update the new reference
values after you have changed the tyre pressure.
You can, however, also update the reference val‐
ues by restarting the tyre pressure monitoring
system manually (
page 413).
/
System limits
The system may be impaired or may not function
particularly in the following situations:
the tyre pressure has been set incorrectly
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sudden pressure loss caused by a foreign
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object penetrating the tyre, for example
there is a malfunction caused by another
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radio signal source
Checking the tyre pressure with the tyre
pressure monitoring system
Requirements:
The ignition is switched on.
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On-board computer:
Service
Tyres
4
5
One of the following displays appears:
Current tyre pressure and tyre temperature
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of the individual wheels:
Tyre pressures will be displayed after a few
R
minutes of driving
Tyre pressure monitor
active: the teach-in
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process of the system is not yet complete.
The tyre pressures are already being moni‐
tored.
Compare the tyre pressure with the recom‐
#
mended tyre pressure for the current operat‐
Internal use only
Wheels and tyres 413
ing condition (
page 412). Observe the
/
notes on tyre temperature (
/
%
The values displayed in the on-board com‐
puter may deviate from those of the tyre
pressure gauge as they refer to sea level. At
high elevations, the tyre pressure values
indicated by a pressure gauge are higher
than those shown by the on-board computer.
In this case, do not reduce the tyre pressure.
Restarting the tyre pressure monitoring sys‐
tem
Requirements:
The recommended tyre pressure is correctly
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set for the respective operating status on all
of the wheels (
page 411).
/
Restart the tyre pressure monitoring system in
the following situations:
The tyre pressure has changed.
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The wheels or tyres have been changed or
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newly fitted.
page 411).
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