Stones were twice thrown at a Mercedes as it was parked in Carlisle.
The car was parked on Westrigg Road.
It happened at about 10.15pm on Thursday, August 26 and 12.10am yesterday.
It is suspected the stones were thrown by someone on a bicycle, causing damage to the vehicle.
Anyone with information relating to the incidents can report online at www.cumbria.police.uk/reportit. You can also call 101. Refer to incident 48 of September 1.
Alternatively, you can contact Crimestoppers, anonymously, on 0800 555 111.
