How often does a car usually inflate with a regular tire?
Usually in the maintenance of the vehicle, to 4S people to check, and if they are low, they will punch
For example, each car will tire pressure and tire specifications, general car standard is mainly 2.1-2.3. But in fact, the tire has its own tire pressure standards, generally 2.5-3 based. But in fact, some cars for carrying heavy cargo, so he can play on the same tire pressure and twice. Now it is the van with 1757014 fetal, Liwei is also using this specification, Liwei plays 2.8 or so is enough, but if less cargo van, will hit 4.5 to 5 press.
If your tires don't leak, they don't change tire pressure. Can always do not charge.
