See also:

Setting a speed
Use the or buttons set the vehicle's current speed. The set speed is shown in the display. NOTE Cruise control cannot be engaged at speeds below 20 mph (30 km/h). ...

Horn
Horn - Press the steering wheel hub to sound the horn. ...

Opening the tailgate
To open the upper section of the tailgate, pull the handle downward. To fold down the lower section of the tailgate, pull handle upward. ...