1. Inspect for resistance between the rear door speaker terminals using an ohmmeter.


2. To verify that the rear door speaker outputs sound, apply voltage to the rear door speaker and release using a 1.5-V battery.
Rear door speaker removal/installation
Tweeter removal/installationMazda 6 Service Manual: Gate operator/Canadian Programming
Canadian radio-frequency laws require transmitter signals to “time-out” (or quit)
after several seconds of transmission — which may not be long enough for HomeLink
to pick up the signal during programming. Similar to this Canadian law, some U.S.
gate operators are designed to “time-out ...
Mazda 6 Service Manual: Replacing a Wheel
WARNING
Always use wheels of the correct size on your vehicle: Using a wrong-sized
wheel is dangerous. Braking and handling could be affected, leading to loss of control
and an accident.
CAUTION
A wrong-sized wheel may adversely affect:
Tire fit
Wheel and bearing life
Ground clearance ...