Installation Instructions

  • Step 1

    Confirm that the code on each lock matches thecode on the lock key.

  • Step 2

    Remove lug nut from each wheel. If studs are dirty,clean with a wire brush.

  • Step 3

    Screw Lock Horns lug nut on the available stud.These should always be the last tightened andfirst loosened.

  • Step 4

    Use the adapter and a 17 mm socket wrench to tighten each lug nut to the torque for your vehicle’s standard lug nuts. For best results, re-tighten regularly.

  • Step 5

    Insert lock key into the lock to retract pins (“unlocked” position).

  • Step 6

    Insert lock into lug nut. Turn lock key to extend lock pins into slots on lug nut (“locked” position). Remove lock key from lock. Note: the key will only detach from the lock when the pins are extended and in the “locked” position.

  • Step 7

    Screw cap onto locked lug nut by hand. Use cap key to tighten. Repeat steps 3-7 for the remaining wheels.

  • Step 8

    Place the lock key and cap key on a key ring, and store with the adapter in a safe and easily accessible place inside the vehicle.