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General information
With use of the system observe further infor‐
mation found under Tire inflation pressure, re‐
fer to page 217.
Functional requirements
The system must have been reset with the
correct tire inflation pressure; otherwise, relia‐
ble signaling of tire inflation pressure loss is
not assured.
Reset the system after each adjustment of the
tire inflation pressure and after every tire or
wheel change.
Always use wheels with TPM electronics to
ensure that the system will operate properly.
Status display
The current status of the Tire Pressure Moni‐
tor TPM can be displayed on the Control Dis‐
play, e.g., whether or not the TPM is active.
On the Control Display:
1.
"Vehicle info"
2. "Vehicle status"
3. "Tire Pressure Monitor (TPM)"
The status is displayed.
Status control display
Tire and system status are indicated by the
color of the wheels and a SMS text message
on the Control Display.
All wheels green
System is active and will issue a warning re‐
lated to the tire inflation pressures stored dur‐
ing the last reset.
One wheel is yellow
A flat tire or major drop in inflation pressure in
the indicated tire.
All wheels are yellow
A flat tire or major drop in inflation pressure in
several tires.
Gray wheels
The system cannot detect a flat tire. Reasons
for this may be:
▷ The system is being reset.
▷ Malfunction.
Status information
The status control display additionally shows
the current tire inflation pressures and, de‐
pending on the model, tire temperatures. It
shows the actual values read; they may vary
depending on driving style or weather condi‐
tions.
Resetting the system
Reset the system after each adjustment of the
tire inflation pressure and after every tire or
wheel change.
On the Control Display and on the vehicle:
1.
"Vehicle info"
2. "Vehicle status"
3. "Perform reset"
4. Start the engine but do not drive off.
5. Reset tire inflation pressure: "Perform
reset".
6. Drive away.
The wheels are displayed in gray and the sta‐
tus is displayed.
After driving faster than 19 mph/30 km/h for a
short period, the set tire inflation pressures are
accepted as reference values. The reset is
completed automatically while driving.
The progress of the reset is displayed.
After a successfully completed Reset, the
wheels on the Control Display are shown in
green and "Tire Pressure Monitor (TPM)
active" is displayed.
Seite 114
Controls Safety
114
Online Edition for Part no. 01 40 2 973 026 - VI/16
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