Mazda 6 Owners Manual: KEY Warning Light (Some models)
Take the appropriate action and verify that the warning light turns off.
Taking Action
Take the appropriate action and verify that the warning light turns off.
...
Message Indicated on Display
If a message is displayed in the center display, take appropriate action (in
a calm manner) according to the displayed message.
...
Other materials:
Mazda 6 Owners Manual: Fuel Gauge (Without Multiinformation Display)
The fuel gauge shows approximately how much fuel is remaining in the tank when
the ignition is switched ON. We recommend keeping the tank over 1/4 full.
If the low fuel warning light illuminates or the fuel level is very low, refuel
as soon as possible.
Refer to Warning Lights.
NOTE
...
Mazda 6 Owners Manual: No.9 tcs off light stays on more than 4 seconds with ignition switch on
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 malfunction. If
there is a problem, check to make sure connectors, terminals and ...