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 AdjusterFront Fender Panel Removal/Installation
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Front bumper.
b. Front combination light.
c. Front fender molding.
d. Side step molding.
3. Remove fasteners and bolts, then remove the front fender panel in the direction
of the arrow shown in the figure.
...
Drive Belt Inspection [Skyactiv G 2.0]
Generator Drive Belt
NOTE:
The generator drive belt deflection/tension inspection is not necessary with
the adoption of the drive belt auto tensioner.
1. Verify that the indicator part of the cast hexagon on the drive belt auto
tensioner is within the normal range.
If ...
Power Window Subswitch Inspection
Passenger's Side
1. Disconnect the negative battery cable..
2. Remove the inner garnish..
3. Remove the front door trim..
4. Remove the power window subswitch..
5. Verify that the continuity is as indicated in the table using a tester.
If not as indicated in the table, repl ...