1. Disconnect the negative battery cable..
2. Remove the rear door trim..
3. Remove the rear door speaker..
4. Verify the resistance between the rear door speaker terminals.

If not within the specification, replace the rear door speaker.

Without Bose®: 3.4—4.6 ohms
With Bose®: 2.89—3.91 ohms
Rear Center Speaker Removal/Installation
Rear Door Speaker Removal/InstallationCrankshaft Position (CKP) Sensor Removal/Installation [Mzr 2.0, Mzr 2.5]
Removal
CAUTION:
When foreign material such as an iron chip is on the CKP sensor, it can cause
abnormal output from the sensor because of flux turbulence and adversely affect
the engine control. Be sure there is no foreign material on the CKP sensor when
replacing.
Do not a ...
Towing
Trailer Towing
Your Mazda is not designed for towing.
Never tow a trailer with your Mazda.
Recreational Towing
An example of "recreational towing" is
towing your vehicle behind a motorhome.
The transaxle is not designed for towing
this vehicle on all 4 wheels.
When doing rec ...
Mute
The microphone can be muted during a
call.
Press the talk button with a short press.
Say: [Beep] “Mute”
Prompt: “Microphone muted”
Canceling mute
Press the talk button with a short press.
Say: [Beep] “Mute off”
Prompt: “Microphone unmuted”
Transferring a Call f ...