When we want to verify that the vehicle’s tire air pressure is correct:

1. We should take the vehicle to a licensed garage, which is the only place allowed to check tire air pressure.
2. Correct answer: We check the air pressure with a tire pressure gauge.
3. It is enough to just look at the tires.
4. We should take the vehicle to a licensed tire repairman, which is the only one allowed to check tire air pressure.

WhyPressure is checked with a tire pressure gauge. You cannot judge it by eye.