Check the listing for details. Plug and Play Remote Start System - Toyota Sequoia 2015-2017 with T-Harness. Condition: New. Listed at 174.99 USD. This system works with your OEM remotes in your 2015-2017 Toyota Sequoia, equipped with H-Keys. (Look at your metal key shaft for a small "H" stamped near the plastic.)* This is ALMOST plug and play. You will still have to connect 2 single wires, if your truck has an OEM Alarm. The rest is plug and play.Just press LOCK-LOCK-LOCK on your Toyota Remote.(The engine will not turn off when the driver door is opened, like some OEM systems.) IMPORTANT: When you are ready, just place your order, and send us an ebay message to let us know 3 things:(We ship FAST, often the same day, if you send this info to us!)1) The year of your Sequoia? 2) Is there a Factory Alarm present?3) Does the hood latch have a small wire connected to it, near the bottom? (In addition to the release cable) This listing is for:1) EVO-ONE Remote Start Module1) THAR-ONE-TOY7 T-Harness1) Free Firmware update and setup for your 2015-2017 H-Key equipped Sequoia. Please contact us with any questions about your installation.