Car doors with vertical locking knobs can be easily defeated with a plastic card, straw and dental floss.
1. Insert the plastic card underneath the rubber weather stripping and the car’s frame to provide a small gap.
2. Flatten the straw and loop dental floss through the inside of it.
3. Insert flattened straw along with the dental floss loop through the gap.
4. Loop over the locking knob; pull on the ends dental floss to tighten the loop.
5. Pull up and unlocks the door.