Table of Contents
Advertisement
Warning/
N N Signal type
indicator
Possible causes/consequences and M M Solutions
lamp
?
N The red coolant warning lamp is lit 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.
Stop the vehicle immediately, in accordance with the traffic conditions, and
X
switch off the engine. Do not drive on.
Secure the vehicle against rolling away (
X
Consult a qualified specialist workshop.
X
?
N The red coolant warning lamp is lit while the engine is running.
The coolant level is too low.
If the coolant level is correct, the air supply to the engine radiator may be blocked
or the electric engine radiator fan may be malfunctioning.
The coolant is too hot and the engine is no longer being cooled sufficiently.
Observe the display messages.
X
Stop the vehicle immediately, in accordance with the traffic conditions, and
X
switch off the engine.
Secure the vehicle against rolling away (
X
Exit the vehicle and keep a safe distance from the vehicle until the engine has
X
cooled down.
Check the coolant level and top up the coolant, observing the warning notes
X
(
page 193).
Y
If you have to top up the coolant more frequently, have the engine cooling sys-
X
tem checked.
Make sure that the air supply to the engine radiator is not obstructed – by frozen
X
slush, for example.
Monitor the coolant temperature gauge in the instrument cluster.
X
Do not start the engine again until the coolant temperature is below 120 †. The
X
engine could otherwise be damaged.
Check the coolant temperature using the analogue display in the instrument
X
cluster (
Drive to the nearest qualified specialist workshop.
X
Avoid heavy engine loads, e.g. driving in mountainous terrain, and stop-and-go
traffic.
page 123).
Y
Indicator and warning lamps
page 104).
Y
page 104).
Y
253
Z
Advertisement
Table of Contents
