Caution / Notice / Hint

HINT: 

• Perform this check with the portable player volume set at an appropriate level.
• Make sure that there are no obstructions between the portable player and navigation ECU sub-assembly that may block signals, and that the portable player and navigation ECU sub-assembly are not excessively far apart.
• Make sure that devices other than the navigation ECU sub-assembly are not connected to the portable player.
• Make sure that there is no interference from a wireless LAN, etc.