1. Inspect the dust boot on the drive shaft for cracks, damage, leaking grease, and looseness in the boot band.

2. Inspect the drive shaft for bends, cracks, and wear in the joint or splines.
Joint shaft disassembly/assembly
Drive shaft removal/installationMazda 6 Service Manual: Power Window Lock Switch
This feature prevents all power windows from operating, except the driver's power
window. Keep this switch in the locked position while children are in the vehicle.
Locked position (button depressed):
Only the driver's power window can be operated.
Unlocked position (button not depressed):
All ...
Mazda 6 Service Manual: Locking, Unlocking with Door- Lock Switch
All doors lock automatically when the lock side is pressed. They unlock when
the unlock side is pressed.
Driver's door
Front passenger's door
To lock all the doors from an open front door, press the lock side of the door
lock switch and then close the door.
NOTE
When locking the doors t ...