Diagnostic procedure
Mazda 6 Service Manual: Scheduled Maintenance (U.S.A., Canada, and Puerto Rico)
Follow Schedule 1 if the vehicle is operated mainly where none of the following
conditions (severe driving conditions) apply.
Repeated short-distance driving
Driving in dusty conditions
Driving with extended use of brakes
Driving in areas where salt or other corrosive materials are used
...
Mazda 6 Service Manual: To Decrease Cruising Speed
Press the SET/ switch and hold
it. The vehicle will gradually slow.
Release the switch at the desired speed.
Press the SET/ switch and release
it immediately to adjust the preset speed.
Multiple operations will decrease the preset speed according to the number of
times it is operated.
Decr ...