Other information:
The SRS is virtually maintenance-free and so there are no parts you can safely service by yourself. If the SRS air bag warning light does not illuminate, or continuously remains on, have the system inspected by a professional workshop. Kia recommends to visit an authorized Kia dealer/service partner. ...
Follow either of these procedures: Push the button (SET-) and hold it. Your vehicle will gradually slow down. Release the button at the speed you want to maintain. Push the button (SET-) and release it immediately. The cruising speed will decrease by 2.0 km/h (1.2 mph) each time you push the button ...