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: Locking, Unlocking with Request Switch, Door Handle (With the advanced keyless
function)
All doors can be locked/unlocked by pressing the request switch on the front
doors while the key is being carried.
Front doors
To lock
To lock the doors , press the request switch and the hazard warning lights will
flash once.
A beep sound will be heard once.
To unlock
Driver's door requ ...
Mazda 6 Owners Manual: Pcv valve inspection
1. Disconnect the negative battery cable.
2. Remove the intake maniforld.(see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION.)
3. Remove the PCV valve.
4. Blow through the valve and verify that air flows as specified.
If not as specified, replace the PCV valve.
Specification
...