A thermal sensor mounted behind the front grille looks out far in front of the headlights as I test-drive the DeVille, scanning for infrared energy coming from animals or humans.

• 汽车前护栅的后面装有一台热传感器，在我驾驶这辆帝威牌汽车试车时，它注视着车头灯前方的远处，扫掠着从动物或人身上发出的红外线。