See also:

CD, DVD or USB with Compressed Audio Files (models with Navigation System)
The file types supported by this system are MP3, WMA, AAC/M4A and ATRAC3. Explanation of terms: - MP3 MP3 is short for Moving Pictures Experts Group Audio Layer 3. MP3 is the most well known c ...

AUX (Auxiliary) input
AUX IN jack: The AUX IN jack is located on the audio unit. The AUX IN audio input jack accepts any standard analog audio input such as from a portable cassette tape/CD player, MP3 player or la ...

Hitch ball
Choose a hitch ball of the proper size and weight rating for your trailer: - The required hitch ball size is stamped on most trailer couplers. Most hitch balls also have the size printed on to ...