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An audible signal sounds as a warning.
›
Immediately reduce speed and avoid sudden steering and braking manoeu-
vres.
›
Stop the vehicle, turn the ignition off and check the tyres and their inflation
pressures » page 117.
›
Correct the tyre pressure if necessary or replace the affected wheel
» page 123 or use the repair kit » page 127.
›
Save the tyre pressure values in the system » page 91.
System fault
flashes for approximately 1 minute and remains lit - there may be a fault in
the tyre pressure monitoring system.
›
Stop the vehicle, turn the ignition off and start the engine again.
If the warning light
flashes again after the engine has started, there is a
system error.
Seek help from a specialist garage.
Disconnecting the vehicle battery
If the vehicle's battery has been disconnected and reconnected, the warning
light comes on after switching on the
ignition.
The warning light should go out after driving a short distance.
If, after a short drive, the indicator light does not go out, there is a system er-
ror.
Seek help from a specialist garage.
Other incidents
The following reasons can explain the warning light
being illuminated.
▶
The vehicle is loaded on one side. Distribute loads as evenly as possible.
▶
The wheels of one axle are loaded more heavily (e.g. when towing a trailer or
when driving uphill or downhill).
▶
Snow chains are mounted.
▶
A wheel has been changed.
CAUTION
Under certain circumstances (e.g. sporty style of driving, wintry or unpaved
roads) the warning light in the instrument cluster can be delayed or does
not light up at all.
Rear fog light
Read and observe on page 34 first.
lights up - the rear fog light is switched on.
Exhaust inspection system
Read and observe on page 34 first.
lights up - there is a fault in the emission control system. The system allows
the vehicle to run in emergency mode.
Seek help from a specialist garage.
Checking the engine electronics
Read and observe on page 34 first.
lights up - there is a fault in the electronic engine management system. The
system allows the vehicle to run in emergency mode.
Seek help from a specialist garage.
Airbag system
Read and observe on page 34 first.
System fault
lights up - there is a fault in the airbag system.
This also applies if the warning light does not come on when the ignition is
switched on.
The functionality of the airbag system is monitored automatically even if one
of the airbags is switched off.
One of the airbags or a belt tensioner has been disabled by the diagnostic
tool
lights up for approximately 4 seconds after the ignition is switched on and
then flashes for approximately 12 seconds.
The front passenger airbag has been disabled with the key switch
lights up for a few seconds when the ignition is switched on.
37
Instruments and control lights
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