See also:

Horn
Press on the steering wheel pad to sound the horn. ...

How OnStar Service Works
Automatic Crash Response, Emergency Services, Crisis Assist, Stolen Vehicle Assistance, Vehicle Diagnostics, Remote Door Unlock, Roadside Assistance, Turn-by-Turn Navigation, and Hands-Free Callin ...

Power Steering Fluid (2.4L L4 Engine)
The vehicle has electric power steering and does not use power steering fluid. ...