Engine
Warning/
indicator
lamp
N
N
Signal type
Possible causes/consequences and
M
M
Solutions
;
N
The yellow Check Engine warning lamp lights up while the engine is running.
There may be a malfunction, for example:
R
in the engine management
R
in the transmission management
R
in the fuel injection system
R
in the exhaust system
R
in the ignition system (for vehicles with a gasoline engine)
R
in the fuel system
The emission limit values may be exceeded and the engine may be running in
emergency mode.
X
Have the vehicle checked as soon as possible at a qualified specialist workshop.
æ
N
The yellow reserve fuel warning lamp is on while the engine is running.
The fuel level has dropped to the reserve range.
X
Refuel at the nearest gas station.
?
N
The red coolant warning lamp comes on while the engine is running.
On vehicles without steering wheel buttons, the coolant temperature gage is at the
start of the bar display (
Y
page 173).
On vehicles with steering wheel buttons, the coolant temperature gage is at the
start of the scale in the instrument cluster (
Y
page 38).
The temperature sensor for the coolant temperature gage is faulty.
The coolant temperature is no longer being monitored. There is a risk of engine
damage if the coolant temperature is too high.
X
Stop the vehicle immediately, paying attention to road and traffic conditions,
and switch off the engine. Do not continue driving under any circumstances.
X
Secure the vehicle to prevent it from rolling away (
Y
page 133).
X
Consult a qualified specialist workshop.
224
Indicator and warning lamps in the instrument cluster
On-
boar
d
comp
ut
er
and
dis
pla
ys
