See also:

Call Waiting
Call waiting must be supported on the cell phone and enabled by the wireless service carrier. ○ Press to answer an incoming call when another call is active. The original call is placed on ...

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 ...

Audio Output
Audio from the DVD player or auxiliary inputs can be heard through the following sources: • Wireless headphones • Vehicle speakers • Vehicle-wired headphone jacks on the RSA system, if the ve ...