FM broadcasts are transmitted at high frequencies and do not bend to follow the earth's surface. Because of this, FM broadcasts generally begin to fade at short distances from the station. Also, FM signals are easily affected by buildings, mountains, or other obstructions. These can result in certain listening conditions which might lead you to believe a problem exists with your radio. The following conditions are normal and do not indicate radio trouble:
Kia Cee'd JD Service Manual: Tire Repair procedures
•
Using tires and wheel other than the recommended sizes could
cause unusual handling characteristics and poor vehicle control,
resulting in a serious accident.
...
Kia Cee'd JD Service Manual: Components and components location
Component Location
1. Rear glass defogger switch
(A/C controller)
2. Rear glass defogger
3. Rear glass defogger relay
...