The hazard warning lights should always be used when you stop on or near a roadway in an emergency.

The hazard warning lights warn other drivers that your vehicle is a traffic hazard and that they must take extreme caution when near it.

Depress the hazard warning flasher and all the turn signals will flash. The hazard warning indicator lights in the instrument cluster flash simultaneously.
NOTE
Horn
HomeLink Wireless Control System (Some models)Mazda 6 Owners Manual: Component Parts
Microphone (hands-free)
The microphone is used for speaking voice commands or when making a Hands-free
call.
Talk button, Pick-Up button and Hang-Up button (hands-free)
The basic functions of Bluetooth® Hands-Free can be used for such things as making
calls or hanging up using the talk, pi ...
Mazda 6 Owners Manual: Crankshaft position (ckp) sensor inspection
Note
Perform the following inspection only when directed.
Resistance Inspection
1. Disconnect the CKP sensor connector.
2. Measure the resistance between CKP sensor terminals A and B using an
ohmmeter.
If not as specified, replace the CKP sensor.
If CKP sensor resistance is okay, bu ...