X AUTOHAUX Rear Left Right Tailgate Power Lift Support for Tesla Model S 2012-2019 Liftgate Power Hatch Shock Strut No.600661000B/600660800B Electric Trunk Power Liftgate 1 Pair Fitment of Rear Hatch Struts Lift Support: for Tesla Model S 2012-2019 Right Side OE Number:600661000B/600661000A/600661000C Left Side OE Number:600660800B/600942700B/610480 Specification of Power Lift Struts: Material: Carbon Steel Extended Length: 72.5cm / 28.54" Install Place: Rear Left Right Include 1 Pair Tailgate Power Lift Support Function of Liftgate Power Support Shock Strut: This Shocks for Rear Hatch will be aging, cracking, rusty connector etc. after long-term use. Replace rear hatch struts kit when the trunk door have noisy sound or clunky that hard to open and close. Instead of manually operate, this electric tailgate lift relying an actuator and plug to achieve remote control by key fob, built-in electric motor will driving and guide the electric strut to extend or contract. This is a non-OEM product, accessory only! Installation: 1. Keep the tailgate door open on max height and remove inner trim panel. 2. Unplug the plug, use tools to loose the old spherical joint and insert new one. 3. Plug the liftgate plug and recover the inner trim panel. 4. Use diagnostic scanner to clear error code, just use scanner to clear if show negative/occasional; replace the lift struts if show permanent. 5.Confirm the L/R mark on struts before install it on your tailgate. Methods to Active Tailgate Remote Function: 1. Push the trunk close button. 2. Close the tailgate by hand slowly and push the trunk open button. 3. Use diagnostic scanner to reset control module and push trunk close button.