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 AdjusterSteering Wheel And Column Removal/Installation [Without Advanced Keyless Entry
And Push Button Start System]
WARNING:
Handling the air bag module improperly can accidentally operate (deploy)
the air bag module, which may seriously injure you. Read the service warnings
before handling the air bag module..
1. Remove the driver-side front scuff plate..
2. Remove the driver-side front sid ...
Relay Block Removal/Installation [With Advanced Keyless Entry And Push Button
Start System]
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Driver-side front scuff plate.
b. Driver-side front side trim.
c. Hood release lever.
d. Upper panel.
e. Shift knob (MTX)(See MANUAL TRANSAXLE SHIFT MECHANISM REMOVAL/INSTALLATION
[G66M-R].)(See MANUAL TRANSAX ...
Recommended Oil
U.S.A., Canada, and Puerto Rico
Use SAE 0W-20 engine oil.
Mazda Genuine Oil is used in your
Mazda vehicle. Mazda Genuine 0W-20
Oil is required to achieve optimum fuel
economy.
For maintenance service, Mazda
recommends Mazda Genuine Parts and
Castrol ® (U.S.A. only).
Only use SAE 0W ...