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For a vehicle containing an average load, the
possible driving distance is ap‐
prox. 50 miles/80 km.
When the vehicle is driven with a damaged tire,
its handling characteristics change, e.g., re‐
duced lane stability during braking, a longer
braking distance, and altered self-steering
properties. Adjust your driving style accord‐
ingly. Avoid abrupt steering maneuvers or driv‐
ing over obstacles, e. g., curbs, potholes, etc.
Because the possible driving distance depends
on how the vehicle is used during the trip, the
actual distance may be smaller or greater de‐
pending on the driving speed, road conditions,
external temperature, cargo load, etc.
Continued driving with a flat tire
Drive moderately and do not exceed a
speed of 50 mph/80 km/h.
A loss of tire inflation pressure results in a
change in the handling characteristics, e.g., re‐
duced lane stability during braking, a longer
braking distance and altered self-steering prop‐
erties.◀
Final tire failure
Vibrations or loud noises while driving
can indicate the final failure of the tire. Reduce
speed and stop; otherwise, pieces of the tire
could come loose and cause an accident. Do
not continue driving, and contact your service
center.◀
Message when not reset
The yellow warning lamp lights up. A
message is displayed on the onboard
monitor.
The system detected a wheel change but was
not yet reset. Warnings regarding the current
tire inflation pressure are not reliable.
Check the tire inflation pressure and reset the
system, refer to page 96.
Malfunction
The small warning lamp flashes in yel‐
low and then lights up continuously; the
larger warning lamp comes on in yel‐
low.
On the onboard monitor, the tires are shown in
gray and a message appears.
No flat tire can be detected.
Display in the following situations:
▷ A wheel without TPM electronics is
mounted:
Have the system checked by the service
center if necessary.
▷ Malfunction:
Have the system checked.
▷ TPM could not be fully reset; reset the sys‐
tem again.
The small warning lamp flashes in yel‐
low and then lights up continuously; the
larger warning lamp comes on in yel‐
low.
On the onboard monitor, the tires are shown in
gray and a message appears.
No flat tire can be detected.
Display in the following situation:
▷ Disturbance by other systems or devices
with the same radio frequency
After leaving the area of the disturbance,
the system automatically becomes active
again.
Declaration according to NHTSA/FMVSS
138 Tire Pressure Monitoring Systems
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
vehicle has tires of a different size than the size
indicated on the vehicle placard or tire inflation
Seite 98
Controls
Safety
98
Online Edition for Part no. 01 40 2 911 498 - VI/13
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