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Observe the instructions and safety notes in
the display messages in the "Tires" section
(Y page 223).
If the wheel positions on the vehicle are rota-
ted, the tire pressures may be displayed for
the wrong positions for a short time. This is
rectified after a few minutes of driving, and the
tire pressures are displayed for the correct
positions.
Restarting the tire pressure monitor
When you restart the tire pressure monitor, all
existing warning messages are deleted and the
warning lamps go out. The monitor uses the
currently set tire pressures as the reference
values for monitoring. In most cases, the tire
pressure monitor will automatically detect the
new reference values after you have changed
the tire pressure. However, you can also set
reference values manually as described here.
The tire pressure monitor then monitors the
new tire pressure values.
X
Set the tire pressure to the value recom-
mended for the corresponding driving situa-
tion on the Tire and Loading Information
placard on the driver's side
B-pillar (Y page 307).
You can find more tire pressure values for
various operating conditions in the tire pres-
sure table inside the fuel filler flap
(Y page 144).
X
Make sure that the tire pressure is correct
on all four wheels.
X
Make sure that the SmartKey is in position
2 in the ignition lock (Y page 125).
X
Press = or ; on the steering wheel
to select the Serv.
Serv. menu.
X
Press the 9 or : button to select
Tire PressureTire Pressure.
X
Press the a button.
The multifunction display shows the current
tire pressure for each tire or the TireTire
pressure will be displayed afterpressure will be displayed after
driving a few minutesdriving a few minutes message.
X
Press the : button.
The multifunction display shows the Use
Use
Current Pressures as New ReferenceCurrent Pressures as New Reference
ValuesValues message.
If you wish to confirm the restart:
X
Press the a button.
The Tire Press. Monitor Restarted
Tire Press. Monitor Restarted
message appears in the multifunction dis-
play.
After driving for a few minutes, the system
checks whether the current tire pressures
are within the specified range. The new tire
pressures are then accepted as reference
values and monitored.
If you wish to cancel the restart:
X
Press the % button.
The tire pressure values stored at the last
restart will continue to be monitored.
314
Tire pressure
Wheels and tires
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