Radio reception condition inspection

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.

With audio on and at radio mode, first press the POWER button and hold it, then press the preset button "2" for approximately 1 second.
Inspect the radio reception condition according to the following table:

Fig 1: Radio Reception Condition Inspection Chart
Courtesy of MAZDA MOTORS CORP.
Turn the audio off or the ignition switch to the LOCK position to stop the diagnostic assist function.