Problem Possible causes/consequences and M Solutions
h
The yellow tyre pres-
sure monitor warning
lamp (pressure loss/
malfunction) flashes
for approximately
1 minute and then
remains lit.
There is no signal from the tyre pressure sensor of one or sev-
eral wheels, or the wheels fitted do not have suitable tyre
pressure sensors.
The tyre pressure monitor was not restarted
after a wheel change.
G
WARNING
The system is possibly unable to recognise or register low tyre
pressure.
There is a risk of an accident.
X
Vehicles with a colour display: observe the
additional dis-
play messages.
X
Have the faulty tyre pressure sensor replaced at a qualified
specialist workshop.
or
X
Fit wheels with suitable tyre pressure sensors.
or
X
Restart the tyre pressure monitor after a wheel change
(Y page 254).
The tyre pressure monitor is activated automatically after
driving for a few minutes.
If the yellow tyre pressure monitor warning lamp continues to
remain on:
X
Drive on carefully.
X
Visit a qualified specialist workshop.
h
You are driving and
the yellow tyre pres-
sure monitor warning
lamp (pressure loss/
malfunction) is lit.
The tyre pressure is too low in at least one of the tyres, or the
tyre pressure difference between the wheels is too great.
X
Check the tyre pressures at the next opportunity
(Y page 253).
X
If necessary, correct the tyre pressure.
X
Restart the tyre pressure monitor (Y page 254).
Warning and indicator lamps in the instrument cluster
199
>> On-board computer and displays.
Z
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