I used to have CRV. The tyres "could go for ever," not needing more air in them. On an occasion I decided to put a bit more air in, using my 15 year-old pump that I rarely used, I could plug into a socket in the boot. But I found it wasn't strong enough to put air in, in fact, the pressure from the air inside the tyre overcame the pressure of the pump and I started to lose air. So I had to take it to a service station and use the air line there. I then bought a better pump, which works fine.