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: Condenser removal/installation
1. Disconnect the negative battery cable.
2. Discharge the refrigerant from the system. (See RECOVERY.) (See CHARGING.)
3. Remove the shroud panel. (See SHROUD PANEL REMOVAL/INSTALLATION.)
Caution
If moisture or foreign material enters the refrigeration cycle,
cooling ability will be lower ...
Mazda 6 Owners Manual: Cup Holder
WARNING
Never use a cup holder to hold hot liquids while the vehicle is moving:
Using a cup holder to hold hot liquids while the vehicle is moving is dangerous.
If the contents spill, you could be scalded.
Do not put anything other than cups or drink cans in cup holders:
Putting objects othe ...