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: Clutch disc inspection
1. Using vernier calipers, measure the thickness of the lining at a rivet
head on both sides.
Replace the clutch disc if its thickness is less than the minimum.
Thickness
0.3 mm {0.012 in} min.
2. Measure the clutch disc runout using a dial indicator.
If the runout is excessiv ...
Mazda 6 Owners Manual: Transaxle oil replacement
1. Remove the drain plug with the washer.
2. Drain the oil into a suitable container.
3. Install a new washer and the drain plug.
Tightening torque
40-58 N·m {4.0-6.0 kgf·m, 29-43 ft·lbf}
4. Remove the oil level plug with washer and add nthe specified amount and
type of oil through t ...