The No-Rethread Simply Safe Adjust™ Harness System allows you to adjust the height of the headrest and harness in one motion, helping to save you time and ensure your child is properly secured.LATCH equipped for an easy installationChoose the perfect headrest height from 10 positions and adjust the seat to 6 recline positions for a better installation. Airport delivery is available- see surcharge price upon check out! **We provide instructions but will not be available to install or help, due to liability reasons. We are not permitted to install car seats**  For reservations less than (48-hours) of rental date, please call (808) 772-8127 or click here for“Same-Day Delivery”.We require a 3-day minimum for all reservations with orders of $50 or more.Free delivery and pick-up on all orders over $350