deflate
Press down on the small needle in the center of the valve (the little tube that sticks out of the tire) to let air out, you can do this with a screwdriver, just be careful not to puncture it.
Click on the left front tire and then click on the knobish thingo and it will let air out.
Deflate is to allow air to escape from a balloon.
On Cryptids Island to let the air out you must first offer to help the gentleman. Click on the truck tire and click down on it til enough air comes out. He will then reward you for your kind being and thoughtfulness.
let some air out of the tire
The tire will go flat.
Deflate.
if you are asking about the air valve on the tire to add/let out air then it is a schrader valve or an American valve
Because when you compress a gas like airit gets warm - which is what happens to the pump. And when a gas like air is allowed to expand, which is what happens when you let it out of the tire, it cools off - which is what happens to the valve.
It is on the side of the tire. Once you talk to the man with the truck, click the left side, then click and hold where the arrow shows, to let air out of the tire.
The shocks have a air valve just like a tire valve, just take the cap off the valve and depress the insert in the valve to let air out.