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way radios) that may be being operated in or
near the vehicle.
Checking the tyre pressure electroni-
cally
Make sure that the key is in position 2 in the
X
ignition lock (
page 133).
Y
Press ò on the steering wheel to call up
X
the menu list.
Press 9 or : on the steering wheel to
X
select the
Service
Service
Confirm by pressing a on the steering
X
wheel.
Select
Tyre pressure
Tyre pressure
X
Press a to confirm.
X
The multifunction display shows the current
tyre pressure of each wheel.
If the vehicle was parked for longer than
20 minutes, the following message appears:
Tyre pressures will be displayed
Tyre pressures will be displayed
after a few minutes of
after a few minutes of driving
After a teach-in period, the tyre pressure moni-
tor automatically detects new wheels or new
sensors. As long as a clear allocation of the tyre
pressure values to the individual wheels is not
possible, the
Tyre
Tyre pressure
pressure monitor
message is shown instead of the tyre pressure
display. The tyre pressures are already being
monitored.
After an emergency spare wheel has been fitted,
the system may still display the tyre pressure of
the removed wheel for a few minutes. If this
occurs, note that the value displayed for the
position where the spare wheel is fitted is not
the same as the current tyre pressure of the
emergency spare wheel.
Warning messages of the tyre pressure
monitor
If the tyre pressure monitor detects a pressure
loss in one or more tyres, a warning message is
shown on the multifunction display. The yellow
tyre pressure warning lamp then lights up:
If the
Please correct tyre pressure
Please correct tyre pressure
R
message appears on the multifunction dis-
play, the tyre pressure in at least one tyre is
too low. The tyre pressure must be corrected
when the opportunity arises.
If the
Check tyre(s)
Check tyre(s)
R
the multifunction display, the tyre pressure in
menu.
with 9 or :.
driving.
monitor active
active
message appears on
at least one tyre has dropped significantly.
The tyres must be checked.
If the
Warning tyre defect
Warning tyre defect
R
appears on the multifunction display, the tyre
pressure in at least one tyre has dropped sud-
denly. The tyres must be checked.
Observe the instructions and safety notes in the
display messages in the "Tyres" section
(
page 265).
Y
If the position of the wheels on the vehicle is
changed, the tyre pressures may be displayed in
the wrong positions for a short time. After a few
minutes of driving, this is rectified and the tyre
pressures are displayed in the correct positions.
Restarting the tyre pressure monitor
When you restart the tyre pressure monitor, all
existing warning messages are deleted and the
warning lamps go out. The monitor uses the cur-
rently set tyre pressures as the reference values
for monitoring. In most cases, the tyre pressure
monitor will automatically detect the new refer-
ence values after you have changed the tyre
pressure. However, you can also set reference
values manually as described here. The tyre
pressure monitor then monitors the new tyre
pressure values.
Use the table on the inside of the fuel filler flap
X
to ensure that the tyre pressure is set cor-
rectly in all four tyres for the current operating
conditions.
Also observe the notes in the section on tyre
pressures (
page 345).
Y
Make sure that the key is in position 2 in the
X
ignition lock (
page 133).
Y
Press ò on the steering wheel to call up
X
the menu list.
Press 9 or : on the steering wheel to
X
select the
Service
Service
Confirm by pressing a on the steering
X
wheel.
Select
Tyre pressure
Tyre pressure
X
Press a to confirm.
X
The multifunction display shows the current
tyre pressure of each wheel or the
pressures
pressures will
will be be displayed
few minutes of driving
few minutes of driving
Press the : button.
X
The
Use
Use current
current pressures
pressures as as new
erence values
erence values
message is shown on the
multifunction display.
Tyre pressure
message
menu.
with 9 or :.
Tyre
Tyre
displayed after
after a a
message.
new ref‐
ref‐
Z
349
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