Skoda OCTAVIA iV 2020 Owner's Manual page 138

136 Engine, exhaust system and fuel ›
Check fill level in tank - high-voltage system
WARNING
Risk of coolant entering the high-voltage battery.
This can lead to a short circuit, as well as ignition of
the high-voltage battery!
Never open the cooling circuit tank of the high-
▶
voltage system and do not top up with coolant.
Check fill level in tank - combustion engine
NOTICE
Danger of damage to the engine compartment!
Do not top up the coolant above the marked area.
▶
The coolant could be forced out of the cooling sys-
tem when heated.
NOTICE
There must be a small quantity of coolant in the tank.
Do not add coolant when the tank is empty.
▶
Stop driving! Seek the help of a specialist garage.
▶
Refilling
CAUTION
Risk of scalding!
The cooling system is pressurised.
Do not open the cap of the coolant expansion tank
▶
while the engine is warm. Let the engine cool
down.
›
Place a rag on the lid of the tank and carefully un-
screw the lid.
›
Refill with coolant of the correct specification.
›
Screw on the cap until it clicks into place.
Specification
Use the G12evo (TL 774 L) additive for refilling.
NOTICE
Risk of damage to the cooling system and the en-
gine!
Coolant
The fill level must be
within the marked range.
›
If the fill level is below
the mark , do not
top up the coolant.
›
Seek the help of a spe-
cialist garage.
The fill level must be
within the marked range.
›
If the fill level is below
the mark , top up
the coolant.
Adding coolant that does not conform to the correct
specification can reduce the corrosion protection of
the cooling system.
Troubleshooting
Coolant level is too low
illuminates together with
Message concerning the required coolant
check
›
Check the coolant level.
The coolant level is OK:
›
Check the fuse for radiator fan, replace if re-
quired » page 142, Replacing a
The fuse is OK, the indicator light comes on again:
›
Stop driving! Seek the help of a specialist garage.
Coolant temperature too high
illuminates together with
Report regarding the engine overheating
›
Stop driving.
›
Stop the engine and allow it to cool.
›
Drive on after the indicator light goes out.
Engine fault
illuminates together with
›
Stop driving!
›
Stop the engine and seek the help of a specialist
garage.
High-voltage system cooling circuit faulty
illuminates together with
›
Stop driving!
›
Stop the engine and seek the help of a specialist
garage.
There is no coolant of the correct specification
available
›
Top up with distilled or demineralised water.
›
Have the correct coolant mixing ratio corrected by
a specialist garage as soon as possible.
Another substance was used for topping up, other
than distilled or demineralised water:
›
Have the coolant changed by a specialist garage.
It is not possible to top up with a sufficient amount
of coolant
›
Stop driving.
›
Stop the engine and seek the help of a specialist
garage.
There is a loss of coolant
›
Top up the coolant and seek the help of a specialist
garage.
fuse.