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 AdjusterMazda 6 Owners Manual: Foreword
Caution
When the engine does not start or stalls and the following DTCs
are not indicated, go to engine symptom troubleshooting.
Note
When the immobilizer system is defective, the engine cannot be
started.
If engine condition is normal but light stays on, inspect for
short circ ...
Mazda 6 Owners Manual: Caliper (front) disassembly/assembly
1. Disassemble in the order indicated in the table.
2. Assemble in the reverse order of removal.
Piston Disassembly Note
Caution
Blow the compressed air slowly to prevent the piston from suddenly
popping out.
1. Place a piece of wood in the caliper, then blow compressed air through ...