Mazda 6 Owners Manual: Low Engine Coolant Temperature Indicator Light (Blue) (Some models)
The light illuminates continuously when the engine coolant temperature is low and turns off after the engine is warm.
Wrench Indicator Light (Some models)
When the ignition is switched ON, the wrench indicator light turns on and then
turns off after a few seconds.
The wrench indicator light turns on under the following conditions:
When the pres ...
Other materials:
Mazda 6 Owners Manual: Radiator cap
Warning
Never remove the radiator cap while the engine is running, or when
the engine and radiator are hot. Scalding coolant and steam may shoot out
and cause serious injury. It may also damage the engine and cooling system.
Turn off the engine and wait until it is cool. Even then, be ve ...
Mazda 6 Owners Manual: No. 2 all on-board diagnostic functions inoperative
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while doing the inspection to discover whether
poor contact points are the cause of any intermittent malfunctions. If there
is a problem, check to make sure connectors, terminals and wir ...