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: Operating the Satellite Radio (Some models)
What is satellite radio?
With over 130 channels, SiriusXM Satellite Radio brings you more of what you
love. Get channels and channels of commercial-free music, plus sports, news, talk,
entertainment and more.
Commercial-free music from nearly every genre
—rock to pop, hip-hop to country, ja ...
Mazda 6 Owners Manual: No.4 air intake mode does not change
When performing an asterisked (*) troubleshooting inspection, shake the
wiring harness and connectors while performing the inspection to discover
whether poor contact points are the cause of any intermittent malfunctions.
If there is a problem, check to make sure connectors, terminal ...