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Operation
Tires and wheels
Reactivating the TPMS
The TPMS must be reactivated when you
have adjusted the tire inflation pressure to
a new level (e.g. because of different load
or driving conditions). The TPMS is then
recalibrated to the current tire inflation
pressures.
̈ Using the tire placard on the driver’s
door B-pillar (
୴ page 376) or, if avail-
able, the supplemental tire pressure
information on the inside of the fuel fill-
er flap (
୴ page 360), make sure the tire
inflation pressure of all four tires is cor-
rect.
̈ Switch on the ignition (୴ page 39).
̈ Press button è or ÿ on the
multifunction steering wheel repeat-
edly until the standard display menu
appears in the multifunction
display (
୴ page 166).
̈ Press the j or k button repeat-
edly until you see the following mes-
sage:
Tire pressure monitor
active
Menu: R-button
̈ Press the reset button (୴ page 156).
The following message will appear in
the multifunction display:
Restart tire
pressure monitor?
̈ Press the æ button.
The following message will appear in
the multifunction display:
Tire pressure monitor
restarted
After driving a few minutes the current
tire inflation pressure values are
accepted as reference pressures and
then monitored.
If you wish to cancel activation:
̈ Press the ç button.
Warning! G
It is the driver’s responsibility to calibrate
the TPMS on the recommended cold infla-
tion pressure. Underinflated tires affect the
ability to steer or brake the vehicle. You
might loose control over the vehicle.
i
Reactivate the TPMS after adjusting the tire
inflation pressure to the inflation pressure rec-
ommended for the vehicle operating condition.
Tire pressure should only be adjusted on cold
tires. Observe the recommended tire inflation
pressure on the placard on the driver’s door
B-pillar (
୴ page 376). Some vehicles may have
supplemental tire pressure information for driv-
ing at high speeds (
୴ page 381) or for vehicle
loads less than the maximum loaded vehicle con-
dition (
୴ page 382). If such information is pro-
vided, it can be found on the inside of the fuel
filler flap.