The driver set off in his vehicle early in the morning.
Tips
usage
Common in trucking, taxi, and bus contexts - refers to a driver beginning a shift or a fleet sending out a vehicle. 出车 contrasts with 收车 (shōuchē, to bring the vehicle in / end shift).
history
The classical sense is 'to send out chariots' - appears in The Book of Songs 《诗经·小雅·出车》, a poem about a military expedition. The modern motoring sense reused the same compound.