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: Recommendations for Shifting
Upshifting
For normal acceleration and cruising, Mazda recommends these shift points:
*1 Always observe local speed limit regulations.
Downshifting
When you must slow down in heavy traffic or on a steep upgrade, downshift before
the engine starts to overwork. This gives better acceleration w ...
Mazda 6 Service Manual: Sunroof relay inspection
Note
Sunroof relay is built in the sunroof motor.
1. Remove the headliner. (See HEADLINER REMOVAL/INSTALLATION.)
2. Connect the sunroof switch connector.
3. Measure the voltage at the sunroof relay terminals as indicated below.
4. Disconnect the sunroof relay connector before inspecting fo ...