The Office of  D.C. Attorney General Karl Racine says dozens of recent car thefts in the District could be linked to Getaround, an app that allows users to rent their personal cars to others.

Car owners can approve or deny requests to rent their vehicle on the app. After a request is approved, the renter will be able to unlock the car via the app—and the owner has to leave the keys to the car inside.

That’s where problems can arise, according to Racine’s office.

“Vehicles listed on Getaround could be at increased risk of theft because keys are left inside of the car and the car’s location is visible to anyone searching the platform,” according to a release from the OAG.

Ben Wiseman, the head of the office’s consumer protection division, says Racine became concerned when reports of dozens of car thefts linked to the app surfaced in the last month.

“Just this past weekend, we were aware of a handful of new thefts, so this is a number that’s constantly changing as we learn more and more about the company, and hear more about these incidents as they’re occurring,” Wiseman told WAMU.

WAMU has reached out to D.C. police for more information, including numbers, about the reported thefts.

A spokesperson from Getaround responded to the OAG’s concerns in a statement.

“We are aware of the incidents in D.C. and are taking actions to mitigate them, both operationally and through product updates—including working with our partner garage(s) to ensure sufficient security is being put in place to prevent future break-ins from occurring,” the statement says.

Wiseman says one area where these thefts are occurring is Union Station. Police also presented information about an increase in Getaround-related car thefts to neighborhood commissioners in the Takoma-Brightwood Park area last week.

Getaround does offer car owners a few options to help prevent auto thefts: lockboxes, which require a four-digit code provided in the car’s pickup instructions to open; and Getaround Enhanced Security, which prevents a car’s starter from working when it isn’t being used for a known trip.

But Racine’s office isn’t convinced those measures are always effective.

“We have heard reports, however, that these features are not available on all cars, have not been working properly, and can be easily thwarted,” the office’s release says.

Wiseman says he wants to hear from D.C. residents who’ve had problems with the Getaround app—either as a renter or a car owner. That includes damage to cars, in addition to thefts.

“These are new sharing economy companies, and regardless of if you’re a new technology company or an old-fashioned company, the rules of the road are the same,” Wiseman explains. “You have to be upfront with consumers, you have to be truthful and you have to provide safe products to the marketplace.”

Consumers who’ve experienced problems with the Getaround app can call the Attorney General’s Office of Consumer Protection at 202-442-9829, or submit a complaint at consumer.protection@dc.gov or online.

Car thefts can be reported to D.C. police at 202-727-9099.

This story originally appeared at WAMU.