Five cars have been stolen in Blackburn and Accrington in as many weeks by thieves posing as customers.
Main dealers and smaller outlets were targeted with cars including a BMW's and Audi and a VW Golf were all taken.
– Sergeant Tim McDermott
I would urge businesses to be vigilant and not leave prospective customers unaccompanied with the keys to cars either on the forecourt or on test drives.
If any businesses have people approach them that they are suspicious of in this way, please call police while they are still present.
The cars targeted are not only high value cars but also older vehicles, which we believe could be used in future criminal acts.