When Angela gets into Grace's car the 4 rings on the steering wheel show it is an Audi, but midway through the journey the camera shot of the steering wheel has a Skoda logo on the steering wheel and by the time they reach the end of the journey it's an Audi again.
When Gerry and Tommy find the elderly lady deceased in her living room, they are having a conversation about Gerry's mottoes. As each scene changes between Tommy and Gerry, Tommy's body camera light goes on and off intermittently.
When Grace is picking up Angela, the horn on her steering wheel shows that she is driving an Audi, however later when she drops her off at her house the steering wheel shows a Skoda logo, then when she drives away the car becomes an Audi again.
The light bar on Stevie and Grave's police car is back to front. It shows red lights at the front not the rear.