While inflating: The system beeps and the exterior lights flash once every 5 seconds.

When the correct pressure is reached: The system beeps and the exterior lights flash continuously for 5 seconds. Stop filling the tire.

If you overinflate: The system beeps and the exterior lights flash twice every 3 seconds.

Driving on an extremely underinflated tire can cause it to overheat. An overheated tire can fail. Always inflate your tires to the specified pressure.