Check that your vehicle has a compatible OBD2 port
Turn off the vehicle and remove the key
Locate the OBD2 port under the dashboard near the steering column
Plug the 3-inch HUD OBD2 connector into the OBD2 port
Route the cable neatly to the HUD display location
Clean the windshield or dashboard area where the HUD will be mounted
Attach the HUD using the included stand, adhesive pad, or mount
Connect the HUD display to the OBD2 cable
Turn on the vehicle ignition
Confirm the HUD powers on and receives data
Enter the settings menu if needed
Select the correct units, language, and vehicle mode
Adjust brightness, angle, and display position
Test the display for speed, RPM, voltage, and other supported data
Secure any loose cables to prevent interference with driving
Recheck the installation after a short drive