How to Recognize Audio-Navigation Unit

There are two kinds of 8-inch display audio type units depending on vehicle model. These units exist as an audio-navigation unit (with navigation) and an audio unit (without navigation), appear the same, but the audio-navigation unit displays a Honda Globe screen after displaying a Honda logo screen every time when you turn the vehicle to the ACCESSORY mode. If the unit does not displayed any screen according to failure of the unit or the vehicle, remove the unit, and check for SD card is built in, the unit can be recognized as an audio-navigation unit.