The Onyx Edition XT is actually just an Onyx Edition with the turbocharged engine. The only other differences between the two are that the XT gets a full-size spare tire, reverse automatic braking, a 180-degree front-view camera, an eight-way power-adjustable front passenger seat, and heated outboard rear seats. Other than that, it has the same features as the non-turbo Onyx Edition.
Auto-Dimming Exterior Mirror w/Approach Light, Part number J201SAN300, Splash Guards, Part number J101SAN100, All-Weather Floor Liners, Part number J501SAN100, Rear Seat Back Protector, Part number J501SAN222, Rear Bumper Cover, Part number E771SAN100, LED Upgrade, Part number H461SAN030 (PIO)
Wireless Charger, Part number H671SAN202, Auto-Dimming Exterior Mirror w/Approach Light, Part number J201SAN300, Woodgrain Interior Trim Kit, Part number J1310AN000, LED Upgrade, Part number H461SAN030 (PIO)
Wireless Charger, Part number H671SAN202, Auto-Dimming Exterior Mirror w/Approach Light, Part number J201SAN300, Footwell Illumination Kit, Part number H461SAN003, All-Weather Floor Liners, Part number J501SAN100, LED Upgrade, Part number H461SAN030 (PIO)