Mazda 6 Service Manual: Dtc 06, 10, 12, 14, 18, 21 (when two or more dtcs are indicated at the same time)

Dtc 02, 18, 21 (when two or more dtcs are indicated at the same time)

Dtc 07, 11, 13, 15, 19, 22 (when two or more dtcs are indicated at the same time)

Other materials:

Mazda 6 Service Manual: Side air bag sensor removal/installation
Warning Handling the side air bag sensor improperly can accidentally deploy the side air bag module, which may seriously injure you. Read AIR BAG SYSTEM SERVICE WARNINGS before handling the side air bag sensor. (See SERVICE WARNINGS.) 1. Turn the ignition switch to LOCK position. 2. ...

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 ...