Mazda 6 Service Manual: Troubleshooting index

On-board diagnostic function

...

No. 1 one or more on-board diagnostic functions inoperative

When performing an asterisked (*) troubleshooting inspection, shake the wiring harness and connectors while doing the inspection to discover whether poor contact points are the cause of any i ...

Other materials:

Mazda 6 Service Manual: Fuel tank removal/installation
Warning Repairing a fuel tank that has not been properly steam cleaned can be dangerous. Explosion or ire may cause death or serious injury. Always properly steam clean a fuel tank before repairing it. Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injur ...

Mazda 6 Service Manual: Cruise Control (Some models)
With cruise control, you can set and automatically maintain any speed of more than about 25 km/h (16 mph). WARNING Do not use the cruise control under the following conditions: Using the cruise control under the following conditions is dangerous and could result in loss of vehicle control. ...