The leaving home light turns on the lights when the transmitter unlock button is pressed while away from the vehicle.
The following lights turn on when the leaving home light is operated.
Low beams, Parking lights, Taillights, License lights.
To turn on the lights
When the ignition switch and the headlight switch are in the following conditions, the headlights will illuminate when the transmitter unlock button is pressed and the vehicle receives the transmitter signal.
The headlights turn off after a certain period of time has elapsed (30 seconds).
or
or 

NOTE
position, the headlights turn
Coming Home Light
Headlight Leveling (Some models)Mazda 6 Owners Manual: Ignition Switch
Push Button Start Positions
The system operates only when the key is within operational range.
Each time the push button start is pressed, the ignition switches in the order
of off, ACC, and ON. Pressing the push button start again from ON switches the ignition
off.
NOTE
The engine star ...
Mazda 6 Owners Manual: Hold switch removal/installation
1. Disconnect the negative battery cable.
2. Remove the console.
3. Disconnect the connector and remove the HOLD switch terminals. (See
SELECTOR LEVER DISASSEMBLY/ASSEMBLY.)
4. Remove the selector lever knob component.
5. Remove the HOLD switch.
6. Install the HOLD switch to selector lever k ...