=Patch on Roof=
Materials used in car model:
{| class="wikitable"
|-
! scope="col"| Material
! scope="col"| Relevant Components of Golf Model
! scope="col"| Relative Permittivity
! scope="col"| Conductivity
|-
| PEC
| car body
| 1
| ∞
|-
| Glass
| car windows
| 6.5
| 0.005
|-
| Plastic
| head-light covers, brake-light covers, license plate mounts
| 2.2
| 0.0
|-
| Rubber
| tires
| 2.9
| 0.005
|-
| Aluminum
| wheel-rims
| 1
| 3800000
|}
[[Image:Roof field.png|thumb|left|400px|]]