Four nuts that were holding the wheel-Riddle

Jagga was running away with the loot from a heist in his car along with Gogo. One tire was punctured and he dropped it down to replace it. While changing the wheel, he dropped the four nuts that were holding the wheel and they fell into a drain. Gogo gave him an idea using which they were able to drive to ill the rendezvous point.
What was the idea?