Mazda 6 Service Manual: No.22 no engine braking in hold mode

No.21 noise occurs at idle when vehicle is stopped in d, s, l ranges, or in r position

No.23 transaxle overheats

Other materials:

Mazda 6 Service Manual: Vehicle speedometer sensor (vss) removal/installation
Caution Water or foreign objects entering the connector can cause a poor connection or corrosion. Be sure not to drop water or foreign objects on the connector when disconnecting it. If foreign materials are stuck to the VSS, disturbance by magnetic flux can cause sensor output to be ...

Mazda 6 Service Manual: Aluminum Wheel Maintenance
A protective coating is provided over the aluminum wheels. Special care is needed to protect this coating. CAUTION Do not use any detergent other than mild detergent. Before using any detergent, verify the ingredients. Otherwise, the product could discolor or stain the aluminum wheels. NOTE ...