Mazda 6 Service Manual: No.6 cranks normally but will not start

No.5 engine stalls-after start/at idle

No.7 slow return to idle

Other materials:

Mazda 6 Service Manual: To Resume Cruising Speed at More Than 25 km/h (16 mph)
If some other method besides the OFF/ CANCEL switch was used to cancel cruising speed (such as applying the brake pedal) and the system is still activated, the most recent set speed will automatically resume when the RESUME/ switch is pressed. If vehicle speed is below 25 km/h (16 mph), incre ...

Mazda 6 Service Manual: Indication/Indicator Lights
These lights turn on or flash to notify the user of the system operation status or a system malfunction. *Some models. *1 The light turns on when the ignition is switched on for an operation check, and turns off a few seconds later or when the engine is started. If the light does not t ...