Seat Mii 2019 Owner's Manual page 206

Preparations
Prepare the vehicle for work in the engine
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compartment page 193
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Open the bonnet
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Press on the tabs Fig. 185
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direction of the arrows and lift the battery
cover up.
Checking the battery electrolyte level
Make sure there is sufficient lighting to
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clearly recognise the colours. Never use
flames or shiny objects as a light source.
Depending on the level of acid, the Magic
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eye on the top of the battery will change col-
our.
Colour indi- Necessary operations
cator
The electrolyte level of the vehi-
cle's battery is too low. Have the
Light yellow or
battery checked and, where ap-
colourless
plicable, replaced by a special-
ised workshop.
The electrolyte level of the vehi-
Black
cle's battery is correct.
WARNING
Working with the vehicle battery involves a
risk of corrosion, explosions and electric
shock.
204
Never tilt the vehicle battery. Battery
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acid could spill out of the openings for the
release of gases and cause corrosion dam-
age.
page 193.
Never open the vehicle battery.
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(arrows) in the
If battery acid splashes on you, immedi-
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ately rinse your eyes and skin abundantly
with water for several minutes. Then seek
medical care immediately.
If acid is swallowed by mistake, consult a
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doctor immediately.
Charging, replacing and connect-
ing or disconnecting the battery
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
car in for technical service.
Replacing a vehicle battery
The battery has been developed to suit the
conditions of its location and has special
safety features. If the battery must be re-
placed, consult a technical service for infor-
mation on electromagnetic compatibility, the
size and maintenance, performance and
safety requirements of the new battery in
Practical tips
. SEAT recommends taking your
your vehicle before you purchase one. SEAT
recommends you have the battery replaced
by a technical service.
Use only maintenance-free genuine batteries
conforming to TL 825 06 and VW 7 50 73
Standards. These standards must be dated
April 2008 or later.
Vehicles fitted with the Start-Stop system are
equipped with a special battery. Therefore,
this battery must only be replaced by anoth-
er with the same specifications.
Disconnecting the vehicle's battery
If you must disconnect the battery from the
electrical system, please note the following:
Switch off the ignition and all electrical
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equipment.
The vehicle must be unlocked before dis-
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connecting the battery, otherwise the alarm
will be triggered.
First disconnect the negative cable and
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then the positive .
Connecting the vehicle's battery
Before reconnecting the battery, switch off
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the engine and all electrical devices.
First reconnect the positive cable and then
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the negative .
Different control lamps may light up after
connecting the battery and switching the