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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. 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.
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 tires are shown in gray and the status 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.
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.
Low tire pressure message
The yellow warning lamp lights up. A
Check Control message is displayed.
▷ There is a flat tire or a major loss in
tire inflation pressure.
▷ No reset was performed for the system.
The system therefore issues a warning
based on the tire inflation pressures before
the last reset.
1. Reduce your speed and stop cautiously.
Avoid sudden braking and steering maneu‐
vers.
2. Identify the damaged wheel. Do so by
checking the tire inflation pressure using
the Mobility System. To correct the tire in‐
flation pressure
3. Repair flat tire with the Mobility System or
replace the damaged wheel.
Required tire inflation pressure check
message
A Check Control message is displayed in the
following situations
▷ The system has detected a wheel change,
but no reset was done.
Seite 109
Safety Controls
109
Online Edition for Part no. 01 40 2 954 339 - II/15
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