Accutire MS-4388GB4 Manual Del Usuario página 3

c.
How to use the anti-theft cap lock device.
Step 1. Screw the nut to the stem clockwise.
nut
Step 2. Screw the valve cap clockwise to the stem and next to
the nut.
Step 3. Screw the nut anticlockwise with a wrench and make
sure the nut contacts with the valve cap tightly.