Mazda 6 Service Manual: No.20 fuel odor (in engine compartment)

No.19 exhaust smoke

No.21 engine noise

Other materials:

Mazda 6 Service Manual: Operating Tips for USB device
This unit plays audio files as follows: CAUTION Do not use an audio file extension on files other than audio files. In addition, do not change the audio file extension. Otherwise, the unit will not recognize the file correctly resulting in noise or a malfunction. NOTE Playback may not b ...

Mazda 6 Service Manual: Locking, Unlocking with Auxiliary Key
Turn the auxiliary key toward the front to lock, toward the back to unlock. To lock All doors lock automatically when the driver's door is locked using the auxiliary key. To unlock The driver’s door unlocks when the auxiliary key is turned briefly to the unlock position and then immediatel ...