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 AdjusterManual Transaxle Oil Inspection [C66 M R]
1. Park the vehicle on level ground.
2. Remove the aerodynamic under cover No.2..
3. Remove the oil level plug and gasket.
Tightening torque
39—59 N·m {4.0—6.0 kgf·m, 29—43 ft·lbf}
4. Verify that the manual transaxle oil is near the brim of the plug port.
Wh ...
DSC HU/CM Inspection
1. Disconnect the DSC HU/CM connector..
2. Connect the negative battery cable..
3. Attach the tester lead to the DSC HU/CM wiring harness-side connector and
inspect voltage, continuity, or resistance according to the standard (reference)
on the table.
Standard (Reference)
...
Adaptive Front Lighting System
(AFS)
The adaptive front lighting system (AFS)
automatically adjusts the headlight beams
to the left or right in conjunction with the
operation of the steering wheel after the
headlights have been turned on.
AFS OFF Indicator Light
When illuminated
This indicator light illuminates briefly
when ...