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: Radio Reception
AM characteristics AM signals bend around such things as buildings or mountains and bounce off the ionosphere. Therefore, they can reach longer distances than FM signals. Because of this, two stations may sometimes be picked up on the same frequency at the same time. FM characteristics An ...

Mazda 6 Service Manual: Hold switch inspection
Operating Inspection 1. Turn the ignition switch to ON (engine OFF). 2. Verify that the HOLD indicator light is not illuminated. Depress the HOLD switch and verify that the HOLD indicator light illuminates. If not as specified, inspect the terminal voltage of the HOLD switch. Voltage Insp ...