
Warning/
indicator
lamp
N
N
Signal type
Possible causes/consequences and
M
M
Solutions
?
N
The red coolant warning lamp lights up while the engine is running and the
coolant temperature gauge is at the start of the scale.
The temperature sensor for the coolant temperature gauge 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
Safeguard the vehicle against rolling away (
Y
page 172).
X
Consult a qualified specialist workshop.
Warning and indicator lamps in the instrument cluster
291
On-bo
ard
computer
and
displays
Z