HM3 Knob Key Expansion Dock
“
Specifications:
- Model Year: Model3 / Y / HM3
- Product Name: M3/MY/HM3 Knob Key Expansion Dock
- Left and Right Rudder: No Distinction
Product Information:
The M3/MY/HM3 Knob Key Expansion Dock is designed to provide
non-destructive installation that does not affect the original
car’s functionality. It features intelligent physical shortcut
button control, screen touch display, atmosphere light effects, and
knob adjustment for temperature control.
Product Features:
- Non-destructive installation
- Intelligent physical shortcut button control
- Screen touch display
- Atmosphere light effect
- Knob adjustment for temperature control
Product Usage Instructions:
Installation:
- Remove the passenger door ring seal strip.
- Use a crowbar to disassemble the right triangle.
- Pull out the plastic buckle.
- Remove the passenger’s side door ragtag.
- Unscrew the fixing screws and buckles of the passenger floor
using T20 screwdriver. - Plug and unplug the required connectors based on the version
(Intel or AMD). - Dock the harness with the original car and hide the wires.
- Reassemble the sills and clasp.
- Put back the triangle baffle.
- Secure the product with hooks and brackets.
- Ensure proper fitting by pressing into the card slot.
- Buckle and attach it to the center screen of the original
car. - Connect the power cable to port C at the bottom of the
product.
Disclaimer and Notes:
Vehicle driving safety settings should be considered, preventing
certain operations while driving, such as opening doors or trunks.
Follow all safety precautions during installation.
FAQ:
Causes:
Is M3/MY/HM3 compatible?
The M3/MY models differ from HM3 in fixed bracket design, but the
product includes both brackets for compatibility.
Solutions:
The docking station cannot be connected to the
device:
Check connection cables for damage or loose interfaces. Try
different interfaces or devices to determine the issue.
The button function sometimes doesn’t
work:
Ensure stable cable connection and avoid pulling or squeezing the
cables during use.
Is it easy to disassemble?
The product offers convenient installation without the need for
disassembly.
“`
Parts List
Part list diagram
1.
2.
3.
1
5
4
1. Securing bracket 3. Main strand 5. Intel harness
2. Knob key extension dock
(4) Power line
1. Tools require d for installation
Phillips screwdriver Pry the plate
2. Installation precautions
Caution: Please ensure the powe r off operation, to
prevent f ailure code.
Tips: For faster installation, be sure to read the instructions carefully
Disclaimer and Notes
Warnings and Disclaimers
Important notice: Welcome to purchase the company’s products, in order to protect the legitimate rights and interests of users, in this special reminder to users, please be sure to carefully read and fully understand the terms of this statement before using this product.If you use this product, your use of the behavior will be regarded as the acceptance of the entire content of this statement, and agree to accept the following terms of this statement, and bear the effect caused by irregular use. Company reserves the right to update the above documents.Please be sure to follow the instructions to operate this product.
Installation Manual
Installation Video
Caution
1. Check whether the product list is complete and damaged before installation. 2, The installation instructions may be slightly different from the actual operation. If there is any difference, please refer to the actual situation or contact us. 3, Warning: do not disassemble any parts by yourself, any improper operation will not be covered by the warranty. 4, Install the product first watch the installation video and instructions. 5, check whether the installed product function is normal. 6. All models of this product are common. The installation procedures for the models shown in the installation manual are slightly different for other models of Tesla. Please install according to actual conditions or contact us.
Customer Service : phone : +1(626)412-7352
+1 7143179647 Email: service@tesstudio.com
Special car only
Smart key control
Atmosphere light effect
Lossless installation On-screen display control
Type-c interface
Model year: Model3 / Y /HM3 Product name: M3/MY/HM3 knob key expansion dock Left and right rudder: no distinction
Product Selling points
1, non-destructive installation, does not affect the function of the original car
2, intelligent physical shortcut button control, screen touch display, atmosphere light effect, knob adjustment (to the right to turn up the temperature red streamer to the left to turn down the temperature blue streamer)
Product Description
1) Mainly connected to the mobile phone through Bluetooth, and then connected to the vehicle through the wireless network. It provides a knob and 10 buttons, is installed under the Model 3/Y /HM3 center control screen, and uses Type-c power supply. The knob can be used to adjust the air conditioning temperature and wind speed, and 10 keys can open the corresponding functions, such as the seat door, the front trunk, the turn signal, the gear, etc. In addition, it is also equipped with the atmosphere light effect (adjust the air conditioning temperature has the corresponding streamer color display, to the right to turn up the red streamer to turn down the blue streamer), can provide a variety of color choices to achieve the effect of the atmosphere light, through the knob screen touch setting, screen touch display: knob around the adjustment of temperature, wind speed, atmosphere light color selection; Screen display air conditioning temperature, wind speed, atmosphere light color (switching mode: each click on the screen can switch air conditioning temperature, wind speed, atmosphere light color interface)
2) Physical shortcut key control is a way to quickly perform specific functions or operations through physical keys. It is direct, fast, and intuitive, reducing the time the user spends searching for action options in the interface
Note: Vehicle driving safety Settings, you can not open the door or the front trunk when driving
1. Remove the passenger door ring seal stri
2.Use a crowbar to disassemble the right triangle
3.Pull out the plastic buckle
4.Remove the passenger’s side door ragtag
Intel version
1. Use T20 to unscrew the fixing screws and buckles of the passenger floor.
2. Unplug the second gray plug on the computer board and plug it in
AMD version
5. Find the original car’s power and OBD connector
6.Use a crowbar to disassemble the right triangle
7.After docking the harness with the original car, hide the wire inside
8.Once the thread is hidden, put back the sills and clasp
9. Put back the triangle baffle
10.After restoring the original, fasten the part of the product with the hook and the bracket
11.After the hook is hooked, it is necessary to press vigorously into the card slot
12.Buckle it on one side, and then attach it to the center screen of the original car
13.Align the support with the card and press it down
14.Connect the power cable to port C at the bottom of the product
Questions
Causes
Solutions
Is M3/MY/HM3
can
compatible?
The M3/MY is not the same as the HM3 fixed bracket, but the product will be equipped with both brackets
The docking station
Check that the connection cable Try replacing a different interface or device for the connection to
cannot be connected to is intact and there are no
determine whether the docking station or the device interface is
the device
broken or loose interfaces
the problem
The button function sometimes doesn’t work
Is it easy to disassemble?
The connection is unstable and disconnects frequently
Check that the cable is not being pulled or squeezed to ensure that it is in a naturally unfurled state
Convenient, no disassembly
Under the screen clip installation, Type-c power supply
and non-destructive installation
Warranty and Support
Tesstudio offers a 1 – year extended warranty Send us your customer number to receive a full 1 – year warranty Email: service@tesstudio.com
Our Website:tesstudio. COM Designed by TESSTUDIO
Documents / Resources
![]() |
TESSTUDIO HM3 Knob Key Expansion Dock [pdf] Instruction Manual Model3, HM3, HM3 Knob Key Expansion Dock, Knob Key Expansion Dock, Key Expansion Dock, Expansion Dock |