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488 Display messages and warning/indicator lamps
Display messages
Run Flat Indicator inopera-
tive
h
Tyre press. monitor cur-
rently unavailable
h
Tyre press. monitor inoper-
ative
Possible causes/consequences and
* The tyre pressure loss warning system is malfunctioning.
Consult a qualified specialist workshop.
#
* There is interference from a powerful radio signal source. As a result, no signals from the tyre pressure sensors are
received. The tyre pressure monitoring system is temporarily unavailable.
Drive on.
#
The tyre pressure monitoring system restarts automatically as soon as the cause has been rectified.
* The tyre pressure monitoring system is faulty.
& WARNING There is a risk of an accident if the tyre pressure monitoring system is malfunctioning
If the tyre pressure monitoring system is malfunctioning, it is not able to issue a warning if there is pressure
loss in one or more of the tyres.
Tyres with insufficient tyre pressure may, for example, affect the vehicle's handling characteristics, steering and
braking. ‑
Have the tyre pressure monitoring system checked at a qualified specialist workshop.
#
Consult a qualified specialist workshop.
#
M M
Solutions
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