noun, noun which may take the genitive case particle 'no'
in-vehicle; on-board
Used as a noun or with の to describe equipment, devices, or systems installed in or mounted on a vehicle.
This car is equipped with an in-vehicle camera.
This car comes with a built-in navigation system.
車載用の冷蔵庫を買った。
I bought a refrigerator for in-vehicle use.
They plan to install high-performance sensors in the new truck.
A dashcam is installed in this bus.
on-board device; in-vehicle unit
Compound of 車 (しゃ, 'vehicle') and 載 (さい, 'to load' or 'to mount'). The exact historical derivation is uncertain, but the word is conventionally associated with vehicle-mounted equipment.