The rear armrest in the center of the rear seatback can be used (no occupant in the center seat) or placed upright.

WARNING
Never put your hands and fingers around the moving parts of the seat and armrest:
Putting your hands and fingers around the moving parts of the seat and armrest is dangerous as they could get injured.
Split Folding
Head RestraintsMazda 6 Owners Manual: Air mix actuator inspection
1. Connect battery positive voltage to terminal D or F and ground to terminal
F or D of the air mix actuator.
2. Verify that the air mix actuator operates as shown below.
If not as specified, replace the air mix actuator.
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3. Verify that the resistance between the terminals of the ...
Mazda 6 Owners Manual: Discharge headlight service warnings
Discharge headlight bulb service warnings
To prevent electrical shock when replacing the discharge headlight bulb,
dry hands thoroughly, and carry out work in an area out of rain.
When the light switch is on, approx. 25,000 V of high voltage passes
through the discharge headlight bulb so ...