What to do in the event of a flat tyre
1. Identify the damaged tyre.
To do this, check the tyre inflation pressure in
all four tyres, for example using the tyre pres‐
sure indicator of a flat tyre kit.
If all four tyres are inflated to the correct tyre
inflation pressures, the flat tyre monitor might
not have been initialised. In this case initialise
the system.
If no tyre damage can be found, contact a
Service Partner of the manufacturer or an‐
other qualified Service Partner or a specialist
workshop.
2.
Repair the flat tyre, for example using a flat
tyre kit or by changing the wheel.
System limits
In the following situations, the system could be
slow to respond or could work incorrectly:
▷ A natural, even tyre pressure loss in all four
tyres that occurs over time will not be detec‐
ted. Therefore check the tyre inflation pres‐
sure at regular intervals.
▷ No warning can be given in the event of sud‐
den tyre damages caused by external factors.
▷ The system has not been initialised.
▷ When driving on snow-covered or slippery
roads.
▷ Dynamic driving style: drive wheels slipping,
high lateral acceleration.
▷ When driving with snow chains.
Wheel change
General
When using a flat tyre kit, it is not always neces‐
sary to change a wheel immediately if tyre infla‐
tion pressure is lost due to a flat tyre.
If required, the tools for changing wheels are
available as optional accessories from a Service
Partner of the manufacturer, another qualified
Service Partner or a specialist workshop.
Safety notes
WARNING
The jack is only intended for raising the vehicle
briefly during a wheel change. Even if the safety
measures are complied with, there is a risk of
the raised vehicle falling over due to the jack
slipping. There is a danger of injury or danger to
life. If the vehicle is raised with the jack, do not
lie underneath the vehicle and do not switch on
drive-ready state.
WARNING
Supports such as wooden blocks under the
jack can prevent it from achieving its load ca‐
pacity due to the restricted height. The load ca‐
pacity of the wooden blocks may be exceeded,
causing the vehicle to tip over. There is a dan‐
ger of injury or danger to life. Do not place sup‐
ports under the jack.
WARNING
The jack, issued by the vehicle manufacturer, is
provided in order to perform a wheel change in
the event of a breakdown. The jack is not de‐
signed for frequent use; for example, changing
from summer to winter tyres. Using the jack
frequently may cause it to become jammed or
damaged. There is a risk of injury and material
damage. Only use the jack to change an emer‐
gency wheel or a spare wheel when the vehicle
gets a flat tyre.
Seite 350
MOBILITY
Wheels and tyres
350
Online Edition for Part no. 01405A38CB9 - VI/21
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