User Manual - Page 320

For ATECA 2021.

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Practical tips
When a light bulb is changed, you need on-
ly s
witch off the light.
Deactivate the anti-theft alarm by un-
locking the vehicle before you disconnect
the battery! The alarm will otherwise be
triggered.
When disconnecting the battery from the
vehicle on-board network, disconnect first
the negative cable and then the positive
cable.
Switch off all electrical devices before
reconnecting the battery. Reconnect first
the positive cable and then the negative
cable. Never reverse the polarity of the
connections. This could cause an electrical
fire.
Never charge a frozen battery, or one
which has thawed. This could result in ex-
plosions and chemical burns. Always re-
place a battery which has frozen. A flat
battery can also freeze at temperatures
close to 0°C (+32°F).
Ensure that the vent hose is always con-
nected to the battery.
Never use a defective battery. This could
cause an explosion. Replace a damaged
battery immediately.
WARNING
The 12 volt battery is a subject to wear. A
r
eduction in battery power can mean that
some important safety systems, such as
power steering, braking intervention, lights
or airbag systems, operate with limitations
or st
op working entirely. This may cause
serious accidents and injuries. To avoid
this, it is necessary to take the following
safety measure:
Get a professional service centre to re-
place the 12-volt vehicle battery every four
years.
CAUTION
Do not e
xpose the battery to direct sun-
light over a long period of time, as the in-
tense ultraviolet radiation can damage the
battery housing.
If the vehicle is left standing in cold con-
ditions for a long period, protect the bat-
tery from “freezing”. If it freezes it will be
damaged.
Control lamp
It lights up red
Alternator fault.
The control lamp lights up when the ignition is
s
witched on. It should go out when the engine
has started running.
If the indicator lamp lights up while driving,
the alternator is no longer charging the 12-
volt vehicle battery. You should immediately
drive to the nearest specialised workshop.
You should avoid using electrical equipment
that is not absolutely necessary because this
will drain the battery.
Charging or changing the battery
If you often drive short distances or if the ve-
hicl
e is not driven for long periods, the 12-volt
battery should be checked by a specialised
workshop more frequently than the service
intervals.
If the battery has discharged and you have
problems starting the vehicle, the battery
might be damaged. If this happens, we rec-
ommend you have the vehicle battery
checked by a Technical Service where it will
be re-charged or replaced.
Charging the battery
The vehicle battery should be charged by a
specialised workshop only, as batteries using
special technology have been installed and
they must be charged in a controlled environ-
ment.
Replacing a vehicle battery
The 12-volt vehicle battery has been de-
signed to suit its location and has specific
safety features. If the battery needs to be re-
placed, it is recommended that it be installed
by an official SEAT qualified workshop. These
workshops have the technical
318
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