Honda CR-V Owner's Manual page 621

uuIf a Tyre Goes FlatuTemporarily Repairing a Flat Tyre
Air Pressure Gauge
Deflate Button
620
11. Unplug the kit from the accessory power
socket.
12. Unscrew the air hose from the tyre valve
stem. Reinstall the valve cap.
13. Press the deflate button until the gauge
returns 0 kPa (0 psi).
14. Repackage and properly stow the kit.