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Checking and refilling levels314
WARNING
If the warning lamps and messages are ignored, the vehicle may stall in
traffic, or may cause accidents and severe injuries.
x Always observe any lit warning lamps and text messages.
x Never ignore the warning lamps or text messages.
x Stop the vehicle safely as soon as possible.
Caution
Failure to heed the warning lamps and text messages when they appear may
result in faults in the vehicle.
Engine coolant specifications
The engine cooling system comes with a special mixture of water and at least
40% G 12 plus-plus (TL-VW 774 G) or G 12 plus (TL-VW 774 F) engine coolant
additive. Both are easily recognisable because they are purple in colour.
This mixture gives the necessary frost protection down to -25 °C (-13 °F) and
protects the alloy parts of the cooling system against corrosion. It also
prevents scaling and raises the boiling point of the coolant.
To protect the engine cooling system, the proportion of additive must always
be at least 40%, even if frost protection is not required in countries with a
warm climate.
If greater frost protection is required in very cold climates, the proportion of
additive can be increased. However, the percentage of additive should not
exceed 60 %, as this would reduce the frost protection and, in turn, decrease
the cooling capacity.
When adding coolant, a mixture of distilled water and at least 40 % of the
additive G 12 plus-plus must be use to ensure optimum rust protection .
lights up
Gauge
position
page 31
3, fig. 177
Possible cause Solution
v
Warning
area
Excessive engine
coolant tempera-
ture.
Stop the vehicle!
Stop the vehicle safely as
soon as possible. Switch off
the engine and wait for it to
cool down and for the needle
to return to the normal area.
Check the engine coolant level
page 315.
Normal
area
Insufficient engine
coolant level.
Check the engine coolant
when the engine has cooled
and, if it is low, refill with
engine coolant page 315.
Although the coolant level is
correct, there is a fault.
--
Engine coolant
system faulty.
Do not drive any further.
Obtain professional assist-
ance.
--
Cold area
--
Avoid revving the engine too
much or making it work hard
while it has not reached nor-
mal service temperature.
flashes Possible cause Solution
v
Engine coolant system faulty.
You should obtain profes-
sional assistance.
A
C
A
B
A
A
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