User Manual - Page 339

For LEON 2021.

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Checking and refilling levels
CAUTION
Never mix an unsuitable antifreeze or other
simil
ar additives with the windscreen wash-
er water. A greasy layer may be formed on
the windscreen which will impair visibility.
Use clean water with a window cleaner
recommended by SEAT.
If necessary, add a suitable antifreeze to
the water in the reservoir.
CAUTION
Do not mix cl
eaning products recommen-
ded by SEAT with other products. This
could lead to flocculation and may block
the windscreen washer jets.
When topping up service fluids, make ab-
solutely certain that you fill the fluids into
the correct reservoirs. Using the wrong flu-
ids could cause serious malfunctions and
engine damage!
Lack of window washer fluid causes the
view through the windscreen to be ob-
scured.
12-volt battery
Gener
al information
The battery is located in the engine compart-
ment
page 329 or luggage compartment
(PHEV hybrid vehicles)
page 339 and is
practically maintenance free. It is checked
as part of the Inspection Service. Neverthe-
less, check the terminals are clean and have
the correct tightening torque, especially in
summer and winter.
All work on batteries requires specialist
knowledge. Please refer to a SEAT Official
Service or a workshop specialising in batter-
ies: risk of burns or exploding battery!
The battery must not be opened. Never try
to change the fluid level of the battery. Oth-
erwise explosive gas is released from the bat-
tery that could cause an explosion.
Battery warning indications
Wear eye protection.
Battery acid is extremely corrosive. Wear pro-
t
ective gloves and eye protection. Rinse any
splashes of electrolyte with plenty of water.
Fires, sparks, open flames and smoking are
pr
ohibited.
The battery should only be charged in a well-
v
entilated zone. Risk of explosion!
Keep children away from acid and batteries!
Always follow the instruction manual.
Disconnecting the battery
The batt
ery should only be disconnected in
exceptional cases. When the battery is dis-
connected, some of the vehicle's functions
are lost. These functions will require resetting
after the battery is reconnected.
When disconnecting the battery from the ve-
hicle on-board network, disconnect first the
negative cable and then the positive cable.
Deactivate the anti-theft alarm before you
disconnect the battery. Otherwise the alarm
will be triggered.
If the vehicle is not used for long periods
The vehicle has a system for monitoring the
current consumption when the engine is left
unused for long periods of time
page 342.
Some functions, such as the interior lights, or
the remote door opening, may be temporarily
disabled to prevent the battery from running
flat. These functions will come back on as
soon as the ignition is switched on and the
engine started.
Winter conditions
During the winter, the starting power may be
reduced, and if necessary, the battery should
be charged
page 340.
WARNING
Any work to be done on the 12-volt vehicle
batt
ery or electrical system can cause in-
juries, burns, accidents and fires:
»
337
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