Please choose the correct solution to the question: how to put air in car tires

Solution1: Remove the cap from the tire valve, Use the air hose to add air in short bursts while check the pressure gauge (which is built in to most air hoses at gas stations). When desired pressure is reached ad an additional 20lbs then replace cap

Solution2: Remove the cap from the tire valve, Use the air hose to add air in short bursts while check the pressure gauge (which is built in to most air hoses at gas stations). When desired pressure is reached stop and replace cap.

Answer format: solution1/solution2