Share the QR code < / P > < p > with wechat scanning code to friends and circles of friends < / P > < p > < / P > < p > Tesla announced that since December 3, 2021, Tesla has officially adjusted the OTA upgrade service of "rear seat heating function" to "cold kit" OTA upgrade service in China p> < p > Tesla said that for the model 3 standard endurance upgrade equipped with steering wheel heating hardware (produced and delivered after January 1, 2021). Users can purchase the kit for 2400 yuan to upgrade the "rear seat heating function" and "steering wheel heating function". Users who have previously purchased the "rear seat heating function" service will upgrade the "steering wheel heating function" for free in the near future. For the model 3 standard endurance upgrade without steering wheel heating hardware, users can upgrade the "rear seat heating function" by purchasing the kit for only 1600 yuan p> < p > Tesla said that users can view the applicable upgrade scheme through the mobile app or the my Tesla page of the official website, and the system will display the corresponding "cold kit" OTA upgrade service price and upgrade function according to different models p> < p > in addition, since November 1, 2021, Tesla China made model 3 standard endurance upgrade and model 3 rear drive delivered in 2022 are equipped with "seat heating function" and "steering wheel heating function" as standard p>