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: Opening the Hood
1. With the vehicle parked, pull the release handle to unlock the hood.
2. Insert your hand into the hood opening, slide the latch lever to the right,
and lift up the hood.
NOTE
The lever is located a little to the left of center when facing the vehicle.
3. Grasp the support rod in the pad ...
Mazda 6 Owners Manual: Power window main switch inspection
Drivers side
1. Remove the driver-side front door trim.
2. Connect the power window main switch connector.
3. Measure the voltage at the power window main switch terminals as indicated
below.
4. Disconnect the power window main switch connector before inspecting for
continuity at terminals 1 ...