From PlayStation Universe: “One puzzle will force Claire to bypass some circuits in the Police Chiefs Hidden Chamber. Completing this puzzle will allow Claire to acquire the Parking Pass to get out of the Parking Garage. This puzzle can be completed in as many steps as you want but there is a special reward for completing it in seven turns. Completing this puzzle in seven turns will unlock some concept art and a 3D Model from the games Records menu.”
Source: N4G PC Resident Evil 2 Remake: How To Solve The Police Chief's Office Puzzle Solution Guide