Mazda 6 Service Manual: No.22 vibration concerns (engine)

No.21 engine noise

No.23 a/c does not work sufficiently

Other materials:

Mazda 6 Service Manual: Fuel-Filler Cap
To remove the fuel-filler cap, turn it counterclockwise. Attach the removed cap to the inner side of the fuel lid. To close the fuel-filler cap, turn it clockwise until a click is heard. CAUTION (U.S.A. and Canada) If the check fuel cap warning light illuminates, the fuel-filler cap may not ...

Mazda 6 Service Manual: Illuminated Entry System
When the illuminated entry system operates, the overhead lights, the courtesy lights, and an ambient light* turn on in the following conditions: The driver's door is unlocked after the ignition is switched OFF. The ignition is switched OFF with all doors closed. NOTE (Overhead lights) ...