1.ignition 点火,点燃;着火,燃烧;点火开关,点火装置
He turned the ignition button.
2.plunge into 投入;跳入;陷入;突然或仓促地开始某事
He get plunged into absolute chaos.
3.They decided to go to school by Weasley's magic car. On the road, the car continued to appear in a variety of faults. Luckily, they finally stopped at the school safely.