Honda Acura RLX Hybrid 2016 Owner's Manual page 525

uuIf a Tire Goes FlatuTemporarily Repairing a Flat Tire
Pressure Relief Button
524
12. Turn off the kit.
u Check the pressure gauge on the air
compressor.
u If overinflated, press the pressure relief
button.
13. Unplug the kit from the accessory power
socket.
14. Unscrew the air only hose from the tire
valve stem. Reinstall the valve cap.
15. Press the pressure relief button until the
gauge returns to 0 psi (0 kPa).
16. Repackage and properly stow the kit.