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Safety systems
Warning/
indicator
lamp
N
Signal type
Possible causes/consequences and
M
Solutions
J$
N
$
(USA only),
J
(Canada only): the red brake system warning lamp is lit
while the engine is running.
PLUG-IN HYBRID vehicles:
The red brake system warning lamp is shown in the READY driving status.
A warning tone also sounds.
G
WARNING
The brake boosting effect is malfunctioning and the braking characteristics 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
Secure the vehicle against rolling away (
Y
page 178).
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction display.
J$
N
$
(USA only),
J
(Canada only): the red brake system warning lamp is lit
while the engine is running.
PLUG-IN HYBRID vehicles:
The red brake system warning lamp is shown in the READY driving status.
A warning tone also sounds.
G
WARNING
There is not enough brake fluid in the brake fluid reservoir.
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
Secure the vehicle against rolling away (
Y
page 178).
X
Do not add brake fluid. Adding more will not correct the malfunction.
X
Consult a qualified specialist workshop.
X
Observe the additional display messages in the multifunction display.
Warning and indicator lamps in the instrument cluster
317
On-board
computer
and
displays
Z