Mazda 6 Service Manual: No.23 a/c does not work sufficiently

No.22 vibration concerns (engine)

No.24 a/c is always on or a/c compressor runs continuously

Other materials:

Mazda 6 Service Manual: Curtain Air Bags
The curtain air bags are mounted in the front and rear window pillars, and the roof edge along both sides. When the air bag crash sensors detect a side impact of greater than moderate force, the curtain air bag inflates quickly and helps to reduce injury mainly to the rear outboard passenger' ...

Mazda 6 Service Manual: Front door key cylinder removal/installation
1. Remove the front door unit. 2. Remove the cover, then remove the bolt. 3. For protector-equipped vehicles, pull out the protector tab from the latch and remove the protector. 4. Disconnect the rod. 5. Remove the front outer handle. 6. Turn the key cylinder in the direction indicated by ...