STEP ON BRAKE TO RELEASE PARK BRAKE
For vehicles with the electric parking brake, this message displays if you try to release the park brake system without first pressing the brake pedal. See the electric parking brake information under Parking Brake (Electric) or Parking Brake (Manual) for more information.
See also:
XM Weather
Press the Weather screen button to display the Current or Extended Forecast Weather.
The Extended Forecast Weather screen displays five days of the forecasted weather
at the vehicle’s current posit ...
Capacities and Specifications
Engine Specifications
...
Cellular and GPS Antennas
Avoid placing items over or near
the antenna to prevent blocking
cellular and GPS signal reception.
Cellular reception is required for
OnStar to send remote signals to
the vehicle. ...