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Tires and wheels
239
be able to detect or signal low tire pressure
as intended.
TPMS malfunctions may occur for a variety
of reasons, including the installation of
incompatible replacement or alternate tires
or wheels on the vehicle that prevent the
TPMS from functioning properly. Always
check the TPMS malfunction telltale after
replacing one or more tires or wheels on
your vehicle to ensure that the replacement
or alternate tires and wheels allow the
TPMS to continue to function properly.
i
If a condition causing the TPMS to mal-
function develops, it may take up to
10 minutes for the system to signal a mal-
function using the TPMS telltale flashing
and illumination sequence.
The telltale extinguishes after a few
minutes driving if the malfunction has been
corrected.
i
Operating radio transmission equipment
(e.g. wireless headsets, two-way radios) in
or near the vehicle could cause the TPMS
to malfunction.
Tire inflation pressure warnings
If the system detects a significant loss of tire
inflation pressure in one or more than one
tire, a message appears in the multifunction
display.
Example illustration
In addition, a warning signal sounds.
Restarting the TPMS
G
Warning!
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 lose control over the vehicle.
The TPMS must be restarted 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.
X
Using the Tire and Loading Information
placard on the driver’s door B-pillar
(Y page 231) or, if available, the supple-
mental tire inflation pressure information
on the inside of the fuel filler flap
(Y page 221), make sure the tire inflation
pressure of all four tires is correct.
i
Restart the TPMS after adjusting the tire
inflation pressure to the inflation pressure
recommended for the vehicle operating
condition. Tire pressure should only be
adjusted on cold tires. Observe the recom-
mended tire inflation pressure on the Tire
and Loading Information placard on the
driver’s door B-pillar. Some vehicles may
have supplemental tire pressure informa-
tion for driving at high speeds or for vehicle
loads less than the maximum loaded vehi-
cle condition. If such information is pro-
vided, it can be found on the inside of the
fuel filler flap.
X
Switch on the ignition.
X
Press button è or ÿ on the multi-
function steering wheel repeatedly until the
standard display appears in the multifunc-
tion display (Y page 112).
Operation
Z