The coming home light turns on the headlights (low beams) when the lever is operated.
To turn on the lights
When the lever is pulled with the ignition switched to ACC or OFF, the low beam headlights turn on.
The headlights turn off after a certain period of time has elapsed after the doors are closed.

NOTE
Flashing the Headlights
Leaving Home LightMazda 6 Owners Manual: Trunk lid removal/installation
Warning
Removing the stay damper without supporting the trunk lid can be
dangerous. The trunk lid may fall and injure you. Open the trunk lid fully
and support it before removing the stay damper.
1. Disconnect the negative battery cable.
2. Disconnect the trunk lid harness connector, p ...
Mazda 6 Owners Manual: Dynamometer
When inspecting and servicing the power train on the dynamometer or
speed meter tester, pay attention to the following:
- Place a fan, preferably a vehicle-speed proportional type, in front
of the vehicle.
- Make sure the vehicle is in a facility with an exhaust gas
ventilation ...