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 ...

OnStar Mobile App
With an iPhone® or Android™-based mobile device, an OnStar mobile app can be downloaded. The vehicle can be remote started, if equipped, or the doors can be unlocked from anywhere there is ...

Remote Keyless Entry (RKE) System
The Remote Keyless Entry (RKE) transmitter is used to lock and unlock the doors from up to 60m (195 ft) away from the vehicle. : Press to unlock the driver door or all doors depending on the ...