Lincolnshire Police are warning motorists not to leave their cars unlocked at night, after several thefts from vehicles in the city.
The warning comes after various goods were stolen in the early hours of September 11 from two cars in Cannon Street, Lincoln.
Police say thieves stole a radio, a massage table, and nail equipment from a Rover 75, and a sat nav, radio, wallet, and bank cards from a Skoda Fabia.
The two cars were apparently left unlocked overnight, and thieves had easy access to the goods inside.
Police are urging drivers to make sure they lock their cars at night and to never leave valuables like sat navs on display.
A look at vehicle crime in Lincoln
Lincolnshire Police also warned in August of increased car break-ins in the city, after residents left valuable goods inside in sight.
The August incidents happened in Foss Bank, Turner Street, Mill Road, Barkers Court, and Kirkby Street in Lincoln.
Steven O’Sullivan (26) of St Andrew Street, Lincoln was then was arrested on suspicion of two of the vehicle thefts.
On September 8 police also said thieves broke into a Ford KA in Tiber Road, North Hykeham by forcing the door open, and stole an Apple iPod.
According to CrimeMapper figures from Lincolnshire Police, vehicle-related crime in Lincoln over the past three months to July is generally decreasing.
The highest increase from the past year was recorded in the Minster area of Lincoln (78%), while the numbers in the Glebe area decreased with 50%.
The Park area of Lincoln had the most vehicle-related crimes on average per month, 12.7 (21% decrease) while the Abbey area had the smallest decrease with 2.3%.