MH Head-Up Display HUD for Car — OBD2 + GPS Dual System, Black, Speedometer & Tachometer

MH Head Up Display (HUD) projects real-time speed, RPM, temperature, voltage and fault codes using both OBD2 and GPS data so you can monitor key vehicle metrics without looking down. The MH HUD combines on-board diagnostics and satellite sensors in a compact dashboard unit designed to keep important driving information in your line of sight. It connects to OBD2-equipped cars produced after 2008 to read ECU data, and switches to GPS mode when OBD2 is unavailable. The device offers customizable alerts, multi-language menus, and brightness control so the display remains clear across different driving conditions.

How does the MH HUD show accurate speed and engine information while driving?

The HUD uses two independent sources: OBD2 for ECU-fed metrics and GPS for satellite-derived speed and position. When OBD2 is connected it pulls engine RPM, coolant temperature, voltage and more directly from the car’s computer; GPS delivers speed, altitude and satellite time even if vehicle diagnostics aren’t available.

• OBD2 mode: live speed, tachometer, fuel consumption and diagnostic trouble codes
• GPS mode: satellite speed, altitude, number of satellites and driving direction
• Switches automatically or manually between OBD2 and GPS
• Clear numeric and icon readouts optimized for head-up projection

What safety alerts and customizable warnings can I set?

The HUD lets you program alert thresholds to draw attention before a situation becomes critical. You can set speed, engine temperature, voltage and RPM limits with audible or visual warnings to help maintain safer operating parameters.

• Overspeed alarm adjustable from 5 to 200 km/h
• Engine temperature warning adjustable from 50°C to 200°C
• Battery voltage alarm configurable between 10.0 and 15.0 V
• RPM alert range from 1,000 to 8,000 revolutions per minute

Which vehicles and diagnostics does this HUD support?

The MH HUD is built for OBDII/EOBD-compliant passenger cars manufactured after 2008. It cannot access OBD-I systems and won’t fully function on certain brands or modified drivetrains; in incompatible cars the GPS feature still provides speed and basic trip metrics.

• Fully compatible with standard OBD2 (post-2008) gasoline cars
• Not compatible with many diesel, hybrid, pickup, RV or heavily modified vehicles
• Known brand incompatibilities include Jeep, Peugeot, Citroën, Fiat, Renault, DS, Lamborghini, SIMCA, Suzuki
• GPS-only operation available when OBD2 protocol is unsupported

How do I install and personalize the HUD display?

Installation is tool-free: plug the unit into the vehicle’s OBD2 port or mount it on the dash/windshield using the adjustable bracket. The interface supports ten layout styles, eight backlight levels and unit choices so you can tailor visibility and measurement units for day or night driving.

• Two mounting options: dashboard pad or windshield bracket
• Display adjustments: 10 interface styles and 8 brightness levels
• Units switchable between km/h and mph, and °C/°F
• Simple fault code scan and one-button clear for stored trouble codes

Who is this for? The MH HUD is aimed at drivers who want continuous, glanceable vehicle data without repeatedly looking down at instruments — especially frequent commuters, performance-minded drivers, and DIY car owners who value real-time diagnostics. Choose this unit if you drive an OBD2-compatible car made after 2008 and want a customizable head-up display that combines diagnostic feedback with GPS-backed speed and trip information. If your vehicle is on the incompatible list or uses a non-OBD2 bus, you can still use the GPS features but full diagnostic access will be limited.

FAQ

Q: Will this HUD work if my car doesn’t support OBD2?

A: If your car lacks OBD2 compatibility the HUD still runs in GPS mode to show speed, altitude, satellite time and basic trip data.

Q: Can I clear engine fault codes with this device?

A: Yes — when connected to the car’s OBD2 system you can scan for fault codes and clear stored engine codes via the device.