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: Inspection of sst (deployment tool)
Use the SST (Deployment tool) to deploy a live (undeployed) air bag module or pre-tensioner seat belt before disposing of it. Before using the SST (Deployment tool), inspect its operation. Inspection Procedure Follow the steps below to verify that the SST (Deployment tool) is operatin ...

Mazda 6 Service Manual: Distance Recognition Support System (DRSS) (Some models)
The Distance Recognition Support System (DRSS) measures the distance between your vehicle and a vehicle ahead using a radar sensor (front) while the vehicle speed is about 30 km/h (19 mph) or faster, and if your vehicle approaches a vehicle ahead more closely than what is appropriate for maint ...