See also:

USB-Supported File and Folder Structure
The radio supports: • Up to 700 folders • Up to eight folders in depth • Up to 65,535 files. • Folder and file names up to 64 bytes • Files with an .mp3 or .wma file extension • AAC ...

Cleaning the Display
Notice: Using abrasive cleaners when cleaning glass surfaces could scratch the glass. Use only a soft cloth and do not spray cleaner directly on the system as it could affect the mechanical parts. ...

Customer Assistance for Text Telephone (TTY) Users (U.S. and Canada)
To assist customers who are deaf, hard of hearing, or speech impaired and who use Text Telephones (TTYs), GMC has TTY equipment available at its Customer Assistance Center. Any TTY user can communicat ...