See also:

TTY Users
OnStar has the ability to communicate to the deaf, hard–of–hearing, or speech–impaired customers while in the vehicle. The available dealer–installed TTY system can provide in-vehicle acces ...

Using Voice Commands During a Planned Route
Cancel Route 1. Push . System responds: “OnStar ready,” then a tone. Say “Cancel route.” System responds: “Would you like to cancel route directions to your destination?”. 2. Say “Yes.” Syst ...

Safety
The National Highway Traffic Safety Administration gave the 2007 Escalade a five-star frontal crash-test rating; it hadn't done a side-impact test as of this writing. Rollover ratings were listed ...