The other carabineer get attached to the BACK of your dog’s harness. It works with any dog harness . . not just ours.
If you ordered the 3/4 width harness, the SMALLER carabineer is the one to attach to your dog. The car gets the bigger carabineer.
See the video for how to the seat belt can be adjusted to 4 different sizes.
DO NOT ATTACHED TO THE COLLAR
DOGS SHOULD NOT RIDE IN THE FRONT SEAT