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 AdjusterTransaxle Oil Replacement [G66 M R]
1. Park the vehicle on level ground.
2. Remove the aerodynamic under cover No.2..
3. Remove the drain plug and washer.
4. Drain the oil into a suitable container.
5. Install a new washer and the drain plug.
Tightening torque
39—59 N·m {4.0—6.0 kgf·m, 29—43 ft·lbf}
...
Oil Cooler Removal/Installation [FS5 A EL]
1. Remove the battery cover..
2. Disconnect the negative battery cable.
3. Remove the air cleaner component..
4. Remove the aerodynamic under cover NO.2..
5. Drain the ATF..
6. Drain the engine coolant..
7. Remove in the order indicated in the table.
1
Water ...
Cooling (With air conditioner)
Set the mode selector dial to the
position.
Set the temperature control dial to the
cold position.
Set the fan control dial to the desired
speed.
Turn on the air conditioner by pressing
the A/C switch.
After cooling begins, adjust the fan
control dial and temperature control
...