When the coin is originally placed into the parking meter, the limit on the meter is marked as 30 minutes.
Later when the police find the meter it reads 10 hour time limit.
When Jack then goes back to the are in the car park where Barr set up to fire the meter once again reads 30 minute time limit.
Car chase: Jack's car lights: Rear: Left light broken/OFF. But when Jack leaves the car at the bus stop, the car keeps moving with both rear lights ON. Front: orange light on the left (driver's perspective) is broken/OFF. This changes from being off/on continuously.
During the car chase, after Jack finds Charlie in the alley, they speed away from a parking garage entrance that's lit up with blue lighting. About twelve seconds later, Jack is drives away from that building again, without moving any farther down the alley.
The "highway bridge" the sniper should have used is the I-279 bridge. It is shown to have the sun behind it (west) in both the original shooting and the hypothetical discussions. This would mean it's evening (sun is low in the sky, during summertime) - not the morning, as indicated by the shooter's watch and the victims' stories.