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 AdjusterCompression Inspection [Mzr 2.3 Disi Turbo]
WARNING:
Hot engines and oil can cause severe burns. Be careful not to burn yourself
during removal/installation of each component.
Fuel vapor is hazardous. It can very easily ignite, causing serious injury
and damage. Always keep sparks and flames away from fuel.
Fuel ...
Transaxle Range (TR) Switch Removal/Installation [FS5 A EL]
CAUTION:
Water or foreign objects entering the connector can cause a poor connection
or corrosion. Be sure not to drop water or foreign objects on the connector
when disconnecting it.
1. Engage the parking brake and use wheel chocks at the front and rear of the
wheels.
2. Shi ...
Neutral Switch Removal/Installation [A26 M R]
1. Disconnect the negative battery cable.
2. Disconnect the neutral switch connector.
3. Remove the aerodynamic under cover No.2..
4. Remove the neutral switch with the gasket.
5. Install a new gasket and the neutral switch to the transaxle case.
Tightening torque
29—39 N·m ...