By wiring up an ESP8266 to a cheap aftermarket key fob for his Chevrolet Suburban ... He was lucky that the Chevy allowed him to program his own fob, but even if you have to spend the money ...

While this is a great usability upgrade, for some reason key fobs continue to be bulky plastic monstrosities that when stuffed into a pocket can easily ruin the lines of a well-chosen outfit.