The 46-year-old singer was released without charge after his Land Rover was in collision with a lorry on the A34 in Berkshire in the early hours of Friday morning (August 14).
Police were called to the crash, involving a silver Land Rover and a lorry, two miles north of the M4, reports BBC News.
He was taken to London Valley police station following the incident.
Two years ago, Michael was banned from driving for 24 months after pleading guilty to driving while unfit through drugs after being accused of colliding with three parked cars and driving off without notifying the owners.
He was also twice cautioned for possessing cannabis after being found asleep at the wheel of his car on two separate occasions in 2006.