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Advice
should be collected and correctly disposed
of, with r
espect to the environment.
Coolant warning lamp
Several warning and control lamps light up
for a few sec
onds when the ignition is switch-
ed on, signalling that the function is being
verified. They will switch off after a few sec-
onds.
It lights up red
Excessive engine
coolant temperature.
Stop the vehicle!
Stop the vehicle safely as soon
as possible. Switch off the en-
gine and let it cool.
Insufficient engine
coolant level.
¡Stop the vehicle!
Check the engine coolant
when the engine has cooled
and, if it is low, refill with en-
gine coolant ››› page 192.
Engine coolant sys-
tem faulty.
Do not drive any further.
Obtain professional assis-
tance.
Flashes red
Engine coolant sys-
tem faulty.
Seek specialist assistance.
It lights up blue
The temperature of
the natural gas en-
gine coolant is too
low. The engine has
not reached the oper-
ating temperature.
Avoid high engine speeds and
pushing the engine too hard
while the warning lamp re-
mains lit.
WARNING
Observe the safety warnings ›››
in On the
instrument
panel on page 26.
Checking the coolant level and top-
pin
g up
Fig. 170 In the engine compartment: Marking
on c
oo
l
ant expansion tank
Fig. 171 In the engine compartment: Coolant
expan
sion tank cap
Read the additional information carefully
›
›
›
page 32
If the coolant level is low, the coolant warn-
ing indicator will light.
Preparations
●
Park the vehicle on even, flat and firm
ground.
●
Allow the engine to cool ›››
.
●
Open the bonnet ›
›
›
page 186.
●
The coolant expansion tank is easily recog-
nisable because of the symbol on the cap
››› Fig. 171.
Checking the engine coolant level
●
When the engine is cold, check the coolant
level using the side marking on the expan-
sion tank ››› Fig. 170.
192
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