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72 Controls and displays
WARNING
If the vehicle has to be stopped for technical reasons, park it a safe dis-
tance away from moving traffic, switch off the engine and turn on the
hazard warning lights ⇒ page 101.
Coolant level and temperature
If the warning lamp (blue) is lit up, the engine has not yet reached its op-
erating temperature
1)
. Avoid high engine speeds, hard acceleration and
submitting the engine to high loads.
If the warning lamp (red) is lit up or flashing, the coolant temperature is
too high or its level is too low.
The informative display indicates:
Check coolant! Instruction Manual!
Stop the vehicle, switch off the engine, check the coolant level ⇒ page 188
and refill if necessary ⇒ page 188.
If the coolant is situated in the prescribed area, the high temperature may
be due to a fault in the cooling system fan. Check the radiator fan fuse and
replace it if necessary ⇒ page 221, Changing fuses in the engine compart-
ment.
If the warning lamp (red) remains lit up, despite both the coolant level
and the radiator fan fuse being in correct condition, stop the vehicle!
Seek professional help.
WARNING
● If the vehicle has to be stopped for technical reasons, park it a safe
distance away from moving traffic, switch off the engine and turn on the
hazard warning lights ⇒ page 101.
● Take care when opening the coolant reservoir. When the engine is
warm or hot, the system is pressurised – Danger of burns! Wait for the
engine to cool before opening the cover.
● Do not touch the fan. The fan can switch on automatically regardless
of whether the ignition is switched on.
Power steering
If the warning lamp, is lit up there is a fault in the power steering.
The power steering system functions with reduced power steering effect.
Seek professional help.
Stability Control (ESC)
If the control lamp flashes, the ESC is working.
If the warning lamp lights up on ignition the ESC system may have
switched off due to technical reasons. Turn off the ignition and turn it on
again. Upon switching on the ignition again, if the warning lamp has switch-
ed off, this means the ESC is functioning correctly again.
If the warning lamp, is lit up there is a fault in the ESC.
1)
This does not apply to vehicles equipped with an informative display.
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