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Always switch off the windscreen wipers
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and the vehicle first if you need to open
the bonnet.
Notes on the coolant level
Checking or topping up coolant should be carried
out only by the trained personnel of a qualified
specialist workshop. Access by the customer is
not permitted.
To check or top up coolant, use a qualified spe-
cialist workshop.
& DANGER Risk of fatal injuries when carry-
ing out maintenance work during the
charging process
During the charging process, the high-voltage
on-board electrical system is under high volt-
age.
Do not perform any maintenance work
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during the charging process.
& WARNING Risk of injury due to overheated
vehicle
If you open the bonnet in the event of an over-
heated vehicle or fire in the engine compart-
ment, the following situations may occur:
You may come into contact with hot gases.
R
You may come into contact with other
R
escaping hot operating fluids.
In the event of overheating or fire in the
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engine compartment, keep the bonnet
closed and call the fire service.
Allow the overheated vehicle to cool
#
down first if you need to open the bon-
net.
& WARNING Risk of injury due to moving
parts
Components in the engine compartment may
continue to run or start unexpectedly even
when the drive system is switched off.
F297 0017 02
Maintenance and care 669
Observe the following if you must open the
bonnet:
Switch off the vehicle.
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Never touch the danger zones surround-
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ing moving components, e.g. the rotation
area of the fan.
Remove jewellery and watches.
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Keep items of clothing and hair away
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from moving parts.
& WARNING Risk of scalding from hot cool-
ant
You may scald yourself if you open the cap
when the drive system is at normal operating
temperature.
Allow the engine to cool down before
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opening the cap.
When opening the cap, wear protective
#
gloves and safety glasses.
Open the cap slowly to release pressure.
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