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 AdjusterRear Speaker Removal/Installation
4SD
1. Disconnect the negative battery cable..
2. Remove the following parts:
a. Rear seat cushion.
b. Rear scuff plate.
c. Tire house trim.
d. C-pillar trim.
e. Rear package trim.
3. Remove the screw.
4. Disconnect the connector.
5. Remove the rear speaker.
6. Install in th ...
PCM Configuration [Mzr 2.0, Mzr 2.5]
CAUTION:
If the wheel and tire sizes are changed, a discrepancy with the speedometer
needle whereby it exceeds the allowable range could result in a malfunction.
If the wheel and tire sizes are changed, perform the following procedure to
change the tire size parameter setting..
...
Oil Seal (Differential) Replacement [Fw6 A EL]
1. Remove the aerodynamic under cover No.2 and the splash shield as a single
unit..
2. Remove the oil seal.
a. Drain the ATF..
b. Disconnect the drive shaft (LH) from the transaxle..
c. Disconnect the drive shaft (RH) from the joint shaft..
d. Remove the joint shaft..
CAUTION:
...