UK new car registrations grew 7% in the first half of 2015 to the highest half-year total on record.
UK automotive manufacturing has broken financial records, with turnover at £69.5 billion in 2014.
Motorists have the opportunity to find out whether they car is on a safety recall list.
Growth in the UK new car market is slowing, with May's registrations of 198,706 units only a 2.4% rise over the same month last year.
April's new car market ended up 5.1% year-on-year at 185,778 registrations, the strongest April result in a decade.
The UK's car industry, led by the Society of Motor Manufacturers and Traders, has called on the police to improve how it tracks car thefts.
Nearly half a million new cars were registered in the UK during the crucial March 2015 plate-change month.
Budget 2015 highlights, 50 days from the general election.
