noun, noun or participle which takes 'suru', intransitive verb
kickdown; automatic transmission downshift
Technical automotive term for the forced downshift that occurs when the accelerator is fully depressed in an automatic transmission vehicle.
高速道路で追い越すとき、キックダウンを使って加速した。
When overtaking on the highway, I used kickdown to accelerate.
アクセルを床
When you floor the accelerator, the transmission kicks down.