Technology for comfort, convenience and safety
84
Flat Tire Monitor
The concept
The Flat Tire Monitor keeps track of the infla-
tion pressures in the four tires as you drive. The
system provides an alert whenever the inflation
pressure drops significantly in relation to the
pressure in another tire.
When a loss of pressure occurs, the rolling
radius changes and with it, the rotational speed
of the wheels. This change is detected and sig-
naled as a flat tire.
Functional requirement
To ensure the reliable signaling of a flat tire, the
system must be initialized at the correct tire
inflation pressure.
The initialization must be repeated after
every correction of the tire inflation pres-
sure and after every tire or wheel change.<
System limits
The Flat Tire Monitor cannot indicate
sudden severe tire damage caused by
outside factors and does not detect a natural,
even pressure drop in all four tires.<
In the following situations, the system could be
delayed or malfunction:
> System has not been initialized
> Driving on snow-covered or slippery roads
> Sporty driving style: slip in the drive wheels,
high lateral acceleration
> When driving with snow chains
*
Initializing system
The initialization is completed during driv-
ing, which can be interrupted at any time.
When driving continues, the initialization is also
automatically continued.
Do not initialize the system when driving with
snow chains
*
.<
Control Center, for principle details, refer to
page 16.
1. Press the button
This opens the start menu.
2. Press the controller to open the menu.
3. Select "Vehicle settings" and press the
controller.
4. Select "FTM" and press the controller.
5. Start engine, but do not start driving.
6. Select "Set tire pressure" and press the
controller.
7. Select "Yes" and press the controller.
8. Release.
The message "Initializing" is displayed.
The initialization is completed during driv-
ing. Then "Status: Active" appears on the
Control Display again.
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