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 AdjusterParking Brake Switch Inspection
1. Remove the upper panel..
2. Disconnect the parking brake switch connector.
3. Verify that the continuity is as indicated in the table.
If not as indicated in the table, replace the parking brake lever.
...
Manual Transaxle Removal/Installation [C66 M R]
1. Remove the battery cover..
2. Disconnect the negative battery cable..
3. Remove the aerodynamic under cover No.2 and the splash shield as a single
unit..
4. Drain the manual transaxle oil..
5. Disconnect and/or remove the following parts in the engine compartment.
a. Remove the batte ...
Steering Gear And Linkage Removal/Installation
CAUTION:
Performing the following procedures without first removing the ABS wheel-speed
sensor may possibly cause an open circuit in the wiring harness if it is pulled
by mistake. Before performing the following procedures, disconnect the ABS wheel-speed
sensor connector (axle side) ...