M3 Function:

1. Multifunction: speed, water temperature, voltage.

2. Short press: to switch voltage, water temperature, vehicle speed, enter setting menu to change menu options or parameter values.

Long press to enter menu settings (see instructions for menus 1 to 12) and press for 5 seconds to save and exit.

3. Short press - Menu - and parameter value

Long press to turn the buzzer on and off (the default choice is buzzer on, you can freely choose to turn it on or off).

4. Engine Icon, Water Temperature Icon

5. Voltage Icon, Fatigue Driving Icon

6. Speed Unit: MPH - mile

7 KM/H - kilometer

8. OBD connection port

9. Short press - Menu + and parameter values +

Long press - Long press until the screen is fully lit and the fault code is cleared. Long press again to exit.

10. Power switch: long press for 5 seconds to turn off, then again to turn on.

Please read carefully before placing an order:

1.If your car is pre-2008 (for American manufacturers) and pre-2008 (for European/Asian manufacturers), the protocol is not compatible. Cannot be used.

2.After receiving the package, please test it in your car as soon as possible. If you do not want to keep the device after testing, you can also contact us to return it and get a full refund.

3.According to customer feedback, it is not compatible with some special vehicles, such as electric vehicles, diesel vehicles, hybrid vehicles, pickup trucks, passenger cars, etc. If you still have any questions, please contact us before buying, preferably telling us the make/model/year of your car before buying.

4. Friend, after installing this instrument, you need to wait for satellite signal reception, which takes some time. This is not a problem with the product. If there are any after-sales problems, please provide a video. Only providing photos or videos unrelated to the instrument is not sufficient evidence and the buyer must assume responsibility himself.

M1 Function:

1. Satellite icon: once the satellite is found, it stops flashing and goes out before it can be used normally.

2. Light sensor: the HUD can automatically adjust brightness according to the environment.

3. Short press: to switch voltage, water temperature, vehicle speed, enter the configuration menu to change menu options or parameter values.

4. Short press - Menu - and parameter value

Long press to turn the buzzer on and off (the default choice is buzzer on, you can freely choose to turn it on or off).

5. Ringtone

6. Compass: N (North) E (East) W (West) S (South)

7. Vehicle speed display: shows the current vehicle speed

8. Speed unit: MPH-mile, KM/H-kilometer

9. GPS connection port

10. Short press - Menu + and parameter values +

Long press - Long press until the screen is fully lit and the fault code is cleared. Long press again to exit.

11. Power switch: long press for 5 seconds to turn off, then again to turn on.

Package included:

1 x Head-up display

M3OBD

M1 selling point