GM Service Manual Online
For 1990-2009 cars only

Customer Assistance for Text Telephone (TTY) Users for Opel GT 2009

To assist customers who are deaf, hard of hearing, or speech-impaired and who use Text Telephones (TTYs), Opel has TTY equipment available at its Customer Assistance Center. Any TTY user can communicate with Opel by dialing: 1-800-XXX-XXXX.