Problem Possible causes/consequences and M Solutions
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The yellow distance
warning function
warning lamp comes on
while the vehicle is
moving.
The distance warning function is malfunctioning or tempora-
rily inoperative. Possible causes:
R
the smart logo in the radiator trim is dirty
R
the function is impaired due to heavy rain or snow
R
the radar
sensor system is temporarily inoperative, e.g. due
to electromagnetic radiation emitted by nearby TV or radio
stations or other sources of electromagnetic radiation
R
the system is outside the operating temperature range
R
the on-board voltage is too low
If the causes listed above no longer apply, the distance warn-
ing function is operational again.
If the distance warning lamp continues to light up, the dis-
tance warning function electronics are malfunctioning.
X
Visit a qualified specialist workshop.
·
The red distance
warning lamp lights
up while the vehicle
is in motion. A warn-
ing tone also sounds.
You are approaching a vehicle or a stationary obstacle in your
line of travel at too high a speed.
X
Be prepared to brake immediately.
X
Pay careful attention to the traffic situation. You may have to
brake or take evasive action.
Further information on the distance warning function
(Y page 62).
·
The red distance
warning lamp lights
up while the vehicle
is in motion.
The distance to the vehicle in front is too small for the speed
selected.
X
Increase the distance.
Warning and indicator lamps in the instrument cluster
195
>> On-board computer and displays.
Z