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: Plastic Part Maintenance
When cleaning the plastic lenses of the lights, do not use gasoline, kerosene, rectified spirit, paint, thinner, highly acidic detergents, or strongly alkaline detergents. Otherwise, these chemical agents can discolor or damage the surfaces resulting in a significant loss in functionalit ...

Mazda 6 Service Manual: Light Bulbs
With LED Headlights With Halogen Headlights WARNING Never touch the glass portion of a halogen bulb with your bare hands and always wear eye protection when handling or working around the bulbs: When a halogen bulb breaks, it is dangerous. These bulbs contain pressurized gas. If one is ...