Renault Scenic Driver's Handbook Manual page 229

BATTERY: troubleshooting
To avoid all risk of sparks:
– Ensure that any consumers are
switched off before disconnecting or
reconnecting the battery;
– When charging, stop the charger
before connecting or disconnecting
the battery;
– To avoid creating a short circuit be-
tween the terminals, do not place
metal objects on the battery;
– Always wait at least twenty seconds
after the engine has been switched
off before disconnecting a battery;
– Make sure that you reconnect the
battery terminals after refitting.
Handle the battery with care
as it contains sulphuric acid,
which must not come into
contact with eyes or skin. If
it does, wash the affected area with
plenty of cold water.
Ensure that naked flames, red hot
objects and sparks do not come into
contact with the battery as there is a
risk of explosion.
Take care when working in the
engine compartment as the engine
cooling fan may start to operate at
any moment without warning.
Risk of injury.
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