After Bradford and Chen's shop is broadsided, the scene after the shop shows that none of the airbags deployed, yet after the break, the airbags are shown to have been deployed.
When tying the tourniquet on the guy who went through the windshield, Officer Chen places the knot on the outside of the man's arm. The knot is actually the part of the tourniquet that's supposed to cut off the blood-flow and should have been placed on the inside of the arm, pressing down on the brachial artery.