Modern smart keys allow you to keep the key fob in your pocket ... he would rather ditch the fob altogether and instead implemented a passive Bluetooth keyless entry system with his Android ...

You’re walking up to your car with arms full of groceries, you push the button on your key fob — and nothing happens. No beep ...

Lashings of tape bring the project home. Unsurprisingly, it works, and works well. It raises the question why key fobs are so large and ungainly, taking up so much precious pocket space.