| Poor AM or FM radio reception or interference |  | 
|  |  |  
|  | Aftermarket FM modulator |  
|  | Loose antenna mounting nut |  | 
| Excessive transition between analog broadcast and digital HD Radio(TM) broadcast | Receiver is located near the edge of the digital HD Radio(TM) coverage area. Refer to www.hdradio.com to verify radio stations in your coverage area |  | 
| HD Radio(TM) changes HD channel on its own | This is intended behavior. HD Radio(TM) is set to revert to main channel after extended loss of HD2/HD3 broadcast |  | 
| AM radio reception changes at night  | This is a system characteristic. AM radio stations are required by the government (FCC) to lower their power at night |  | 
| Audio unit will not turn on (No information display and no sound) |  |  | 
| No sound is heard from all the speakers (display is normal) |  | Aftermarket amplifier or speakers | 
| Audio system sound is weak or distorted (display is normal) |  | 
|  | Fader and balance positions |  
|  | File recording level |  
|  | Aftermarket amplifier or speakers |  | 
| Radio preset memory is lost |  | Internal error | 
| Audio unit button does not work |  | Check the connector for poor connections or loose terminals between the audio unit and the audio panel | 
| Audio touch panel does not work |  |  | 
| Volume does not increase with speed |  | Speed-sensitive Volume Control settings (see the Owner's Manual) | 
| Volume is too high or too low when driving at freeway speeds |  | Speed-sensitive Volume Control settings (see the Owner's Manual) | 
| Audio remote switch does not work properly (audio-navigation unit buttons work) |  |  | 
| Audio remote switch does not work properly (audio unit buttons work) |  |  | 
| USB device does not function |  | 
|  |  |  
|  | USB device compatibility (see the Owner's Manual) |  | 
| Bluetooth audio does not work |  | Bluetooth phone compatibility (see the Owner's Manual) | 
| Rearview camera image does not come on |  |  | 
| Rearview camera image does not change when selecting different views |  |  | 
| LaneWatch camera image does not come on |  |  | 
| Audio unit button illumination does not work |  |  | 
| XM radio display is blank and no station information is displayed |  | 
|  |  |  
|  | XM radio account activation status |  | 
| System always comes up in-line diagnostic mode (without navigation) |  |  | 
| Vehicle position icon constantly leaves road, moves erratically, or is displayed very far from actual vehicle position (no GPS reception) |  | The GPS signal is received by the smartphone. Depending on where the smartphone is placed, the accurate vehicle position may not be displayed on the display | 
| Vehicle position icon constantly leaves road, moves erratically, or is displayed very far from actual vehicle position (while going through a tunnel) |  | The vehicle position accuracy on the audio display depends on the GPS receiver in the smartphone, and the vehicle signals from the F-CAN and B-CAN |