I finally got a pool noddle so I can install my scenera RF. DH installed with the seatbelt and locking clip. Then the seatbelt was also locked but it was tipping the seat up. Without the locking clip and only locking the seatbelt the seat wasn't that tight. So DH just did the locking clip and did not lock the seatbelt. He got a install that way but is he suppose to use the seatbelt locking feature or the locking clip? I thought the locking clip was for those seatbelts that didn't lock but this was a tighter fit. I jus want to make sure it is installed correctly before we decide if it is worth keeping as our second seat. Thanks.