Depress the button on the seat belt buckle.
If the belt does not fully retract, pull it out and check for kinks or twists. Then make sure it remains untwisted as it retracts.

NOTE If a belt does not fully retract, inspect it for kinks and twists. If it is still not retracting properly, have it inspected at an Authorized Mazda Dealer.
Fastening the Seat Belt
Front Shoulder Belt AdjusterOperating Tips for MP3
MP3 stands for MPEG Audio Layer 3,
which is standardized voice compression
established by the ISO *1 working group
(MPEG).
Use of MP3 allows for audio data to be
compressed to approximately a tenth of
the source data size.
This unit plays files with the extension
(.mp3) as MP3 files.
...
Key
WARNING
Do not leave the key in your vehicle with
children and keep them in a place where
your children will not fi nd or play with
them:
Leaving children in a vehicle with the
key is dangerous. This could result in
someone being badly injured or even
killed. Children ...
Variable Tumble Shutter Valve Actuator Inspection [Mzr 2.0, Mzr 2.5]
Operation Inspection
1. Remove the air hose..
2. Disconnect the vacuum hose from the variable tumble shutter valve actuator.
3. Connect a vacuum pump to the variable tumble shutter valve actuator.
NOTE:
Covered with a hood, the rod of the variable tumble shutter valve actuator
...