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: Locking, Unlocking the Doors
NOTE The system may not operate if you are too close to the windows or door handles. If the key is left in the following areas and you leave the vehicle, the doors may be locked depending on the radio wave conditions even if the key is left in the vehicle. Around the dashboard ...

Mazda 6 Service Manual: Front oil seal
FRONT OIL SEAL REPLACEMENT 1. Disconnect the negative battery cable. 2. Remove the spark plugs. (See SPARK PLUG REMOVAL/INSTALLATION.) 3. Remove the Cylinder head cover. (See Cylinder Head Cover Installation Note.) 4. Remove the drive belt. (See DRIVE BELT REPLACEMENT.) 5. Remove the front dr ...