Motorists are being warned not to leave valuables in their vehicles after a spate of smash-and-grab incidents in Holbeach and Long Sutton areas over the weekend.
Police confirmed that they had received four reports of motor vehicles being broken into between Saturday and Sunday, with sat navs, mobile phones and other electrical items targeted by thieves.
People are also advised to mark their belonging with an ultraviolet pen and serial numbers by visiting www.immobilise.com
Anyone with information should call Lincolnshire Police on 101 or call Crimestoppers on 0800 555 111.