The coffee in the French Press goes from almost empty after Klaus pours into his/3rd cup to 1/4 full the next time the French Press is shown.
When Allison speeds up in the Rolls the speedometer is shown, and the oil pressure gauge is showing zero pressure.
There's no way that Leonard would be fitted for a prosthetic eye within the three days that they have before the apocalypse. His eye socket would have to heal and the swelling would have to reduce.