How to Use A Smart Air Pump Tire Inflator When your tire-pressure light comes on, it always seems to happen at the worst time, like right before a long trip or in the middle of the highway with no air pump in sight. Stop guessing if your tires are low. With a smart portable inflator like the Airmoto BP198, you stay in control. It shows your tire pressure right away, fills your tires in just a few minutes, and lets you avoid unreliable gas station pumps. This small, cordless inflator fits easily in your glove box. Pick one up today and drive with peace of mind.