Skoda RAPID Owner's Manual page 97

WARNING
When you charge a battery, hydrogen is released, and a highly explosive
■
gas mixture is also produced. An explosion can be caused through sparkling
over during unclamping or loosening of the cable plug while the ignition is
on.
Creating a bridge between the poles on the battery (e.g. with metal ob-
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jects - cables) creates a short circuit – risk of damage to the battery, explo-
sion and burning of the battery, jets of acid spurting out.
Avoid creating sparks when working with cables and electrical devices.
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Strong sparking represents a risk of injury.
Before carrying out any work on the electrical system, switch off the en-
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gine, the ignition and all electrical consumers and disconnect the negative
terminal .
"Quick-charging" the vehicle battery is dangerous and requires a special
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charger and specialist knowledge.
We therefore recommend that vehicle batteries be "rapidly charged" by a
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specialist garage.
CAUTION
On vehicles with the START/STOP system, the pole terminal of the charger
must not be connected directly to the negative terminal of the vehicle battery,
but only to the engine earth » page
another vehicle.
Replace

Read and observe and
The new vehicle battery must have the same capacity, voltage, current and the
same size as the original Battery. Suitable vehicle battery types can be pur-
chased from a specialist garage.
We recommend you have the battery replaced by a specialist workshop.
Disconnecting or reconnecting

Read and observe and
Disconnecting
›
Switch off the ignition.
›
First, disconnect the negative terminal , then the positive
battery.
106, Jump-starting using the battery from
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on page 93 first.
terminal of the

Connecting
›
First, connect the positive , then the negative  battery terminal.
After disconnecting and re-connecting the vehicle battery, the following func-
tions or devices are partially or completely inoperative.
Function/device
Setting the clock
Data in the multifunction display are
deleted.
CAUTION
Disconnect the vehicle battery only with the ignition turned off - there is a
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risk of damaging the electrical system of the vehicle.
Under no circumstances must the battery cables be connected incorrectly –
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risk of a cable fire.
Notice
After disconnecting and re-connecting the vehicle battery, we recommend
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having the vehicle checked by a specialist to ensure that the full functionality
of all electrical systems is guaranteed.
The data on the multi-function display will be reset.
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Automatic load deactivation

Read and observe and
The vehicle's electrical system automatically prevents the battery from dis-
charging when the battery is being heavily used. This manifests itself by the
following.
▶
The idling speed is raised to allow the generator to deliver more electricity to
the electrical system.
▶
Some convenience consumers may have limited power or be completely
switched off, if necessary.
CAUTION
Despite such intervention by the vehicle electric system management, the
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vehicle battery may be drained. For example, when the ignition is switched on
a long time with the engine turned off or the side or parking lights are turned
on during longer parking.
Consumers that are supplied via a 12-V power socket can cause the vehicle
■
battery to discharge when the ignition is switched off.
Operating measure
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on page 93 first.
Inspecting and replenishing

95