As we anxiously wait for Goodyear's development of the AMT that keep tyres inflated at its optimum pressure without the use of electronics, let's see how a similar technology maintains tyre pressure through the clever use of one-way air valves.
After I install the central locking, my door lamp function when door open. Door lamp cannot function when i switch on... central lock is ok... Do my wiring got problem? because 4 wire i only use and 1...