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Operation
Tires and wheels
̈ Install the valve cap.
̈ Repeat this procedure for each tire.
Run Flat Indicator*
While the vehicle is being driven, the Run
Flat Indicator monitors the set tire inflation
pressures by evaluating each wheel’s rota-
tional speed. This allows the system to de-
tect a significant loss of pressure in a tire.
If a wheel’s rotational speed changes due
to falling tire inflation pressure, you will
see a corresponding warning message in
the multifunction display.
The Run Flat Indicator may function in a re-
stricted manner or with a delay if:
ț snow chains are mounted to the
vehicle
ț winter road conditions prevail
ț you are driving on a loose surface (e.g.
sand or gravel)
ț you are driving in a very sporty manner
(involving rapid acceleration or high
speeds in curves)
Warning! G
When the multifunction display shows the
message
Low pres. mode Check tire
Max. speed 50 mph
, one or more of your
tires is significantly under-inflated. You
should stop and check your tires as soon as
possible, and inflate them to the proper tire
inflation pressure as indicated on the vehi-
cle’s tire information placard. Driving on a
significantly under-inflated tire causes the
tire to overheat and can lead to tire failure.
Under-inflation also reduces fuel efficiency
and tire tread life, and may affect the vehi-
cle’s handling and stopping ability. Each tire,
including the spare, should be checked
monthly when cold and set to the recom-
mended tire inflation pressure as specified
in the vehicle placard and owner’s manual.
i
The recommended tire inflation pres-
sures for your vehicle can be found on
the tire placard located on the driver’s
door B-pillar (
୴ page 333). The tire in-
flation pressures are not listed in the
owner’s manual.
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