Renault 2005 Megane Owner's Manual page 208

BATTERY: troubleshooting
To avoid all risk of sparks:
- Ensure that any
(courtesy lights etc.) are switched
off before disconnecting
reconnecting the battery.
- When charging, stop the charger
before connecting or disconnecting
the battery.
- Do not place metal objects on the
battery to avoid creating a short
circuit between the terminals.
- Never disconnect a battery less
than twenty seconds after the
engine has been switched off.
- Make sure that you reconnect the
battery terminals after refitting.
5.20
consumers
or
Handle the battery with care
as it contains sulphuric acid
which must not come into
contact with the 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.