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Possible driving range with a
depressurized tire
The possible driving range varies depending
on the how the vehicle is loaded and used, e.g.,
speed, road conditions, external temperature.
The driving range may be less but may also be
more if an economical driving style is used.
If the vehicle is loaded with an average weight
and used under favorable conditions, its possi‐
ble driving range will be up to 50 miles/80 km.
Vehicle handling with damaged tires
Vehicles driven with a damaged tire will handle
differently, potentially leading to conditions
such as the following:
▷ Greater likelihood of swerving off course.
▷ Longer braking distances.
▷ Changed self-steering properties.
Modify your driving style. Avoid abrupt steer‐
ing maneuvers or driving over obstacles, for in‐
stance curbs or potholes.
Final tire failure
Vibrations or loud noises while driving can indi‐
cate the final failure of a tire.
Reduce speed and stop; otherwise, pieces of
the tire could come loose and cause an acci‐
dent.
Do not continue driving. Contact a dealer’s
service center or another qualified service cen‐
ter or repair shop.
System limits
Temperature
The tire inflation pressure depends on the
tire's temperature.
Driving or exposure to the sun will increase the
tire's temperature, thus increasing the tire in‐
flation pressure.
The tire inflation pressure is reduced when the
tire temperature falls again.
These circumstances may cause a warning
when temperatures fall very sharply.
Sudden tire pressure loss
The system cannot indicate sudden serious
tire damage caused by external circumstances.
Failure to perform a reset
The system does not function properly if a re‐
set has not been carried out, for instance a flat
tire is reported though tire inflation pressures
are correct.
Malfunction
The yellow warning light flashes and is
then illuminated continuously. A Check
Control message is displayed. It may
not be possible to identify tire pressure losses.
Examples and recommendations in the follow‐
ing situations:
▷ A wheel without TPM wheel electronics,
for instance an emergency wheel, is
mounted: have it checked by a dealer’s
service center or another qualified service
center or repair shop as needed.
▷ Malfunction: have system checked by a
dealer’s service center or another qualified
service center or repair shop.
▷ The system was unable to complete the
reset. Perform a system reset again.
▷ Interference caused by systems or devices
with the same radio frequency: after leav‐
ing the area of the interference, the system
automatically becomes active again.
Declaration according to NHTSA/
FMVSS 138 Tire Pressure Monitoring
System
Each tire, including the spare (if provided)
should be checked monthly when cold and in‐
flated to the inflation pressure recommended
by the vehicle manufacturer on the vehicle
placard or tire inflation pressure label. (If your
Seite 120
Controls Safety
120
Online Edition for Part no. 01402981185 - VI/17
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