Car Rearview Mirror Adjust Knob & Four Seat Heating Control Switch Assembly OEM Number 100358900B Compatible With Tesla Model S / Model X Dashboard Mirror Seat Heater Spare Parts

Product Appearance Description

This multi-function combined switch is exclusively designed for old generation Tesla Model S / Model X, embedded in center dashboard, integrating rearview mirror adjustment, four-seat heating and windshield defrost functions. It adopts long matte black integrated ABS injection molding with silver decorative trim around front surface to upgrade interior texture. Layout from left to right: single defrost button, four backlit seat heating buttons, 4-way circular rearview mirror rotary knob, right auxiliary shortcut buttons. Integral embedded buckles around shell clip into original dashboard mounting slot without damage. A dedicated multi-pin wiring socket with thickened anti-oxidation copper pins on rear resists oxidation and poor contact under long-term sunlight exposure and dust accumulation. Fully sealed dustproof and waterproof internal structure protects circuit board from dust and beverage liquid corrosion. It is 1:1 OEM molded, no trimming of dashboard interior plastic parts required during installation and removal.

Product Function Description

It is fully compatible with original 12V CAN bus body electronic control system of Tesla Model S and Model X, centralized multi-function control for dashboard, core functions as follows:

1.4-way rotary knob: multi-angle up/down/left/right viewing adjustment for left & right exterior rearview mirrors;

2.Four independent seat heating buttons: separate constant temperature heating activation for front left, front right, rear left, rear right seats;

3.Left single shortcut button: one-click activate front windshield & rear window defrost function;

4.Built-in electromagnetic shielding anti-interference chip, no current noise when mirror motor or seat heater works, instant button response without delay;

5.Dual over-current & short-circuit protection chips on circuit board cut off power automatically under circuit overload or short circuit to protect mirror motor and seat heating control module;

6.Fully compatible with factory CAN communication protocol, works normally after direct harness plug-in, no ECU coding at repair shop needed.
It is a direct replacement for faulty original dashboard switch assembly with stuck rotary knob, unresponsive seat heating buttons, failed mirror adjustment, dead backlight and oxidized pins.

Applicable Models

Brand	Vehicle Model	Year Range
Tesla	Model S	2012 – 2021
Tesla	Model X	2015 – 2021

Parameter

English Item	English Spec Details
Product Model	LD-29006
Full Product Name	Dashboard Combined Control Switch: Rearview Mirror Adjustment + Four Seat Heating Function
OEM Reference Number	100358900B
Operating Voltage	DC 12V Standard Automotive Voltage
Main Raw Materials	Matte black high-toughness ABS housing, backlit icon buttons, 4-way circular mirror rotary knob, anti-oxidation copper conductive pins, fully sealed anti-interference circuit module
Installation Method	OE Direct Plug & Play, Match Original Center Dashboard Mount Hole, No ECU Programming Required
Waterproof & Dustproof Grade	IP54 Dustproof & Splash Resistant
Factory Warranty	12 Months Factory Quality Warranty
Compatible Vehicles & Production Years	Tesla Model S (2012–2021)Tesla Model X (2015–2021)
Appearance Features	1. Long strip matte black integrated ABS housing with silver trim border2. Left side single defrost function button; middle 4 backlit seat heating buttons (Front Left / Front Right / Rear Left / Rear Right)3. Middle-right 4-direction circular rotary knob for rearview mirror up/down/left/right adjustment4. Far-right auxiliary function shortcut buttons5. Surround integrated snap buckles for dashboard embedded installation, rear multi-pin wiring plug with thickened corrosion-resistant copper terminals
Core Integrated Functions	1. 4-way rotary knob: adjust left/right rearview mirror up, down, left, right viewing angle2. Four independent seat heating buttons: separate temperature heating control for four vehicle seats3. Windshield / rear window defrost quick control button4. Built-in anti-electromagnetic interference chip to eliminate signal noise during driving5. Over-current & short-circuit dual protection chip to protect mirror motor and seat heating module6. Full matching original vehicle CAN bus communication protocol, plug-and-play without ECU coding

Product Details

Product Specifications and Trade Terms

Item	Specification/Details
Warranty Period	12 months or 100,000 km (whichever comes first)
Payment Terms	T/T, PayPal, Western Union
Port of Loading	Ningbo Port or Shanghai Port
Lead Time	7-15 working days after deposit
Packing	50 pcs per carton with foam
Shipping Method	By sea / air / express (DHL/FedEx/UPS)
Sample Policy	Free samples, buyer pays freight
After-Sales Support	Itemcement for defective items
Certification	ISO/TS 16949:2009

Supplementary Note

1.Model Distinction: LD-29006 (OEM 100358900B) only fits Tesla Model S 2012-2021 & Model X 2015-2021, NOT interchangeable with all Model 3 / Model Y window, steering wheel and seat switches. It is exclusive dashboard combined switch for this car model, no left/right pair difference;

2.Pre-shipment QC: Every finished product passes 5 complete factory inspections: 100,000 times button pressing durability test, 50,000 times rotary knob durability test, high-low temperature cycle aging test, water spray waterproof test, CAN signal matching test;

3.Supply Advantage: Factory permanent stock available all year round, support small sample trial orders and full-container bulk export wholesale, suitable for Amazon, independent website and overseas offline auto parts distributors;

4.Installation Tips: Pry open dashboard switch trim panel with plastic pry tool, unplug rear wiring connector, clip this product into mounting slot in alignment, plug back original harness and reinstall dashboard trim panel to finish non-destructive installation.