Five vehicles in the Loudoun Valley Estates community were broken into late Monday night and early Tuesday morning, prompting the Sheriff’s Office to remind residents to lock their cars, according to the Loudoun Sheriff’s Office.

In four of the cases, a car window was damaged to gain entry, authorities said. Stolen items included credit cards, cash, and GPS units, according to the Sheriff’s Office.

The Sheriff’s Office recommends that residents park in well lit areas or in a garage, and activate alarm systems or use anti-theft devices. Suspicious activity should be immediately reported to the Sheriff’s Office, authorities said.

Anyone with information about these thefts is asked to contact Investigator M. Hall of the Loudoun County Sheriff’s Office Criminal Investigations Unit at 703-777-0475. Callers wishing to remain anonymous are asked to contact Loudoun County Crime Solvers at 703-777-1919. If the information leads to an arrest and indictment, the caller could be eligible for a cash reward of up to $1,000.