1. Disconnect the negative battery cable.
2. Remove the headlight cleaner switch. (See HEADLIGHT CLEANER SWITCH REMOVAL/INSTALLATION)
3. Inspect for continuity between the headlight cleaner switch terminals using an ohmmeter.


Headlight cleaner switch removal/installationMazda 6 Service Manual: Operation
NOTE
The engine may not start and security indicator light may illuminate
or flash if the key is placed in an area where it is difficult for the system
to detect the signal, such as on the dashboard or in the glove compartment.
Move the key to a location within the signal range, switch ...
Mazda 6 Service Manual: How to Use the Bluetooth® Audio System
Switching to Bluetooth® audio mode
To listen to music or voice audio recorded to a Bluetooth® audio device, switch
to the Bluetooth® audio mode to operate the audio device using the audio system
control panel.
Any Bluetooth® audio device must be paired to the vehicle's Bluetooth® unit bef ...