See also:

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

At Each Fuel Fill
Engine Oil Level Check Check the engine oil level and add the proper oil if necessary. Notice: It is important to check your oil regularly and keep it at the proper level. Failure to keep your ...

OnStar Steering Wheel Controls
This vehicle may have a Talk/Mute button that can be used to interact with OnStar Hands-Free calling. See Steering Wheel Controls  for more information. On some vehicles, the Talk button can be ...