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 AdjusterRear Door Removal/Installation
WARNING:
Removing the rear door without supporting it could cause the rear door to
fall and cause serious injury. Always perform the procedure with at least another
person to prevent the rear door from falling.
1. Disconnect the negative battery cable..
2. Remove in the order i ...
Rear Shock Absorber Removal/Installation
1. Remove in the order indicated in the table.
2. Install in the reverse order of removal.
1
Rear shock absorber upper nut
2
Rear shock absorber under bolt
3
Rear shock absorber
...
Rear Buckle Removal/Installation
Rear Buckle (RH) and Rear Buckle (Center)
1. Remove the rear seat cushion..
2. Remove the bolt.
3. Remove the rear buckle (RH) and rear buckle (center).
4. Install in the reverse order of removal.
Rear Buckle (LH)
1. When removing or installing the rear buckle (LH), refer to the rear ...