Renault 2005 Megane Owner's Manual page 224

OPERATING FAULTS
On the open road
• Steering wheel hard to turn:
• The engine overheats. The coolant
temperature warning light comes on
(or the indicator needle is in the red
area).
Radiator: never fill a hot radiator with cold coolant if a considerable quantity has been lost. After any operation
on the vehicle which has involved even partial draining of the cooling system, it must be refilled with a new
mixture prepared in the correct proportions. Reminder: only products approved by RENAULT's Technical
Department may be used for this purpose.
5.36
(continued)
CAUSES
- assistance overheating,
- weak or dead battery.
Coolant pump:
broken.
Engine cooling fan not working.
Coolant leaks.
REMEDIAL ACTION
Leave to cool.
Recharge or replace the battery.
belt stretched or Stop the vehicle and switch off the
engine. Contact a RENAULT Dealer.
Check the condition of hoses and
clips.
Check the expansion bottle: it should
contain coolant. If it does not, top it up
(once it has cooled). Take care not to
scald yourself. This action is only
temporary: contact your RENAULT
Dealer as soon as possible.