Safety systems
Problem
Possible causes/consequences and
M
M
Solutions
J
The yellow brake system
warning lamp is lit while
the drive system is run-
ning.
The brake system is malfunctioning.
G
WARNING
The braking characteristics may be affected.
There is a risk of an accident.
X
Drive on taking extra care.
X
Consult a qualified specialist workshop immediately.
J
The yellow brake system
warning lamp is lit while
the drive system is run-
ning.
RBS (Recuperative Brake System) is unavailable due to a malfunction.
G
WARNING
The braking performance of the electric motor using recuperative
braking may be either reduced or not effective. If you do not make an
additional effort to apply the brake yourself, the braking effect may not
be sufficient. If necessary, counteract the reduced regenerative brak-
ing effect by applying the brake yourself.
The brake system continues to function normally, but without the
function listed above.
Braking efficiency may be impaired.
X
Drive on taking extra care.
X
Consult a qualified specialist workshop immediately.
J
The red brake system
warning lamp is lit while
the drive system is run-
ning. A warning tone also
sounds.
G
WARNING
The brake boosting effect is malfunctioning and the braking charac-
teristics may be affected.
There is a risk of an accident.
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions. Do not continue driving
under any circumstances.
X
Safeguard the vehicle against rolling away (
Y
page 145).
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction dis-
play.
Warning and indicator lamps in the instrument cluster
215
On-board
computer
and
displays
Z
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