While driving, the steering wheel jerked, and I heard knocking sounds from underneath the car ... from the tyre can deflate in two ways: through a hole in the tyre or a damaged valve.
but they all essentially work the same way and fit a standardized tire valve stem. Compressed air is commonly supplied (sometimes at a cost) at gas stations, service centers, and car dealerships.
Simply plug it in your car’s cigarette lighter socket, fix the hose brass valve to your tyre and switch it ON. It is super-quick and can inflate a mid-size tyre from 0 to 30 psi in just about 2 ...