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: Engine Coolant Temperature Gauge (Without Multi-information Display)
Displays the engine coolant temperature. The white gauge indicates that the engine coolant temperature is low, and the red gauge indicates that the engine coolant temperature is high and overheating. CAUTION If the engine coolant temperature gauge indicator flashes, there is a possibility ...

Mazda 6 Service Manual: Rear door 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 working around the B-pillar areas. (See SERVICE WARNINGS.) Note The side air bag sensor is located in t ...