Note
1. Drive the vehicle at 30 km/h {19 mph} or more.
2. Press on the cruise control main switch (1).

3. Operate each of the cruise control switches.
4. Stop the vehicle and let it idle.
5. Turn and hold the RESUME/ACCEL switch on for at least 3 seconds (2).
The cruise set indicator light will illuminate for 3 seconds,
and then go off for at least 2 seconds.
Thus, the condition detection mode begins.
6. The condition detection mode is canceled by turning the ignition switch to LOCK position or turning off the cruise control main switch.
Condition Code List

Note
Inspection of Diagnostic Trouble Codes
Foreword
Dtc 37
Dtc 01Mazda 6 Service Manual: Rear oil seal
REAR OIL SEAL REPLACEMENT
1. Remove the flywheel. (MTX) (See CLUTCH UNIT REMOVAL/INSTALLATION)
2. Remove the drive plate. (ATX) (See DRIVE PLATE REMOVAL/INSTALLATION)
3. Remove in the order indicated in the table.
4. Install in the reverse order of removal.
Rear Oil Seal Installation Note
...
Mazda 6 Service Manual: No.6 windshield fogged
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 intermittent malfunctions. If there
is a problem, check to make sure connectors, terminals and wir ...