After the car spins around when the drive into the city, the view from inside the car shows they are on the right side of the road. When the view changes to show the side of the car, they are stopped in the road on the left side of the road near the curb.
When Grace Jones is killed by sunlight. Her skeleton arm raises up and gives the finger to her destroyer. Just as the finger goes up, you can see a crew member's hands holding the other end of the skeleton's arm in the shot. This is only noticeable on the UK Blu-Ray, as the Anchor Bay DVD is slightly cropped.
After the car spins around very unrealistically, the scenery directly in front of the car is obviously a painted backdrop. In addition to all the objects ahead clearly being a painting, the other giveaway is how the "scenery" meets the roadway.