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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 text message on the
Control Display.
All wheels green
System is active and will issue a warning rela‐
tive to the tire inflation pressures stored during
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.
Wheels, gray
The system cannot detect a flat tire due to a
malfunction.
Additional 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.
Carry out reset
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 - 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.
You may interrupt this trip at any time. When
you continue the reset resumes automatically.
Messages
Required tire inflation pressure check
message
A Check Control message is displayed.
▷ The system has detected a wheel change,
but no reset was done.
▷ No reset was performed for the system.
The system therefore issues a warning
based on the tire inflation pressures before
the last reset.
▷ Inflation was not carried out according to
specifications.
A Check Control message is displayed.
▷ The tire inflation pressure has fallen below
the level of the last reset.
In these cases:
1.
Check the tire pressure and correct as
needed.
2. Reset the system.
Seite 109
Safety Controls
109
Online Edition for Part no. 01 40 2 969 976 - II/16
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