See also:

End a Call
Push . System responds: “Call ended.” ...

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), Cadillac has TTY equipment available at its Customer Assistance Center. Any TTY user can c ...

Remote Keyless Entry (RKE) System Operation (Keyless Access)
The Keyless Access System transmitter will work up to 60m (195 ft) away. The Keyless Access System locks and unlocks the doors and trunk without pressing the buttons on the keyless access t ...