Car accessory (5,4)
(Other definitions for hubcap that I've seen before include "Metal protector for car wheel" , "Vehicle wheel trim" , "Metal cover on wheel" , "Wheel attachment" , "Cover on a car wheel" .)
(Other definitions for spare tyre that I've seen before include "Roll of fat around the tummy" , "evidence of overindulgence" , "one prudently has in car" , "Something needed for flat" , "Fat around the midriff?" .)
(Other definitions for roof rack that I've seen before include "Framework for carrying things on car roof" , "Framework for carrying luggage on top of car" , "Frame" , "Framework to carry luggage on top of car" , "Carrier for holding luggage on top of a car" .)
(Other definitions for radio that I've seen before include "Electronic receiver" , "Transmit" , "Broadcast medium" , "Receiving device" , "means of communication" .)