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 AdjusterDashboard Disassembly/Assembly
1. Remove the ventilator grilles..
2. Remove the Passenger-side air bag module..
3. Disassemble in the order indicated in the table.
4. Assemble in the reverse order of disassembly.
1
Wiring harness
2
Screw
3
...
Front Seat Back Component [Vehicles Without Power Seat System] Removal/Installation
WARNING:
Handling a front seat (with built-in side air bag) improperly can accidentally
operate (deploy) the air bag, which may seriously injure you. Read the service
warnings before handling a front seat (with built-in side air bag)..
CAUTION:
After removing a front seat ...
Instrument Cluster Removal/Installation
CAUTION:
When replacing the instrument cluster, the configuration procedure must be
performed before removing the instrument cluster. Replacing the instrument cluster
without performing the configuration procedure will result in system malfunction.
1. Perform the instrument clust ...