Press the key Select [AUX]
An external device can be connected to play music.
Kia Cee'd JD Owners Manual: Manual heating and air conditioning
The heating and cooling system can be
controlled manually by pressing buttons
or turning knob(s) other than the AUTO
button. In this case, the system works
sequentially according to the order of
buttons or knob(s) selected.
1. Start the engine.
2. Set the mode to the desired position.
...
Kia Cee'd JD Owners Manual: Additional safety precautions
Never let passengers ride in the
cargo area or on top of a foldeddown
back seat. All occupants should
sit upright, fully back in their seats with
their seat belts on and their feet on the
floor.
Passengers should not move out of
or change seats while the vehicle is
moving. ...