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Tyre pressure
322
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 pres-
sure loss in one or more tyres, a warning mes-
sage is shown in the multifunction display and
the yellow tyre pressure monitor warning
lamp comes on.
If the
Rectify tyre pressure
Rectify tyre pressure
R
appears in the multifunction display, the
tyre pressure in at least one tyre is too low
and must be corrected at the next oppor-
tunity.
If the
Check tyre(s)
Check tyre(s)
R
the multifunction display, the tyre pressure
in one or more tyres has dropped signifi-
cantly and the tyres must be checked.
If the
Warning tyre defect
Warning tyre defect
R
appears in the multifunction display, the
tyre pressure in one or more tyres has drop-
ped suddenly and the tyres must be
checked.
Observe the instructions and safety notes in
the display messages in the "Tyres" section
(
page 243).
Y
i
If the wheel positions on the vehicle are
interchanged, the tyre pressures may be
displayed for the wrong positions for a
short time. After a few minutes of driving,
this is rectified and the tyre pressures are
displayed for 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 currently set tyre pressures as the refer-
ence values for monitoring. In most cases, the
tyre pressure monitor will automatically
detect the new reference values after you
have changed the tyre pressure. However,
you can also define reference values man-
message
message appears in
message
ually as described here. The tyre pressure
monitor then monitors the new tyre pressure
values.
Use the table on the inside of the fuel filler
X
flap to ensure that the tyre pressure is set
correctly in all four tyres for the current
operating conditions.
Also observe the notes in the section on
tyre pressures (
page 318).
Y
Make sure that the key is in position 2 in the
X
ignition lock.
Press the = or ; button on the steer-
X
ing wheel to select the
Press the 9 or : button to select
X
Tyre
Tyre pressure
pressure.
Press the a button.
X
The multifunction display shows the cur-
rent tyre pressure for the individual tyres or
the
Tyre pressures will be dis‐
Tyre pressures will be dis‐
played
played after
after a a few
few minutes
ing
ing
message.
Press the : button.
X
The
Use current pressures as new
Use current pressures as new
reference values
reference values
the multifunction display.
If you wish to confirm the restart:
Press the a button.
X
The
Tyre press. monitor restarted
Tyre press. monitor restarted
message appears in the multifunction dis-
play.
After you have driven for a few minutes, the
system checks whether the current tyre
pressures are within the specified range.
The new tyre pressures are then accepted
as reference values and monitored.
If you wish to cancel the restart:
Press the % button.
X
The tyre pressure values stored at the last
restart will continue to be monitored.
Serv.
Serv.
menu.
minutes of of driv‐
driv‐
message appears in
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