Mazda 6 Owners Manual: KEY Warning Light (Some models)

Mazda 6 Owners Manual / If Trouble Arises / Warning/Indicator Lights and Warning Sounds / If a Warning Light Turns On or Flashes / 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: Foreword
Caution When the engine does not start or stalls and the following DTCs are not indicated, go to engine symptom troubleshooting. Note When the immobilizer system is defective, the engine cannot be started. If engine condition is normal but light stays on, inspect for short circ ...

Mazda 6 Owners Manual: Foreword
When the customer reports a vehicle malfunction, check the malfunction indicator lamp (MIL) indication and diagnostic trouble code (DTC), then diagnose the malfunction according to following flowchart. - If a DTC exists, diagnose the applicable DTC inspection. (See DTC TABLE.) - ...