Mazda 6 2007 Owner's Manual page 258

In Case of an Emergency
Overheating
If you find a leak or other damage, or if
coolant is still leaking:
Stop the engine and call an Authorized
Mazda Dealer.
2.3-liter engine
Coolant reservoir
3.0-liter engine
Coolant reservoir
If you find no problems, the engine is
cool, and no leaks are obvious:
Carefully add coolant as required (page
8-20).
CAUTION
If the engine continues to overheat or
frequently overheats, have the cooling
system inspected. The engine could be
seriously damaged unless repairs are
made. Consult an Authorized Mazda
Dealer.
7-16
Cooling system cap
Cooling
system cap