{"product_id":"mh-head-up-display-hud-for-car-obd2-gps-dual-system-black-speedometer-tachometer","title":"MH Head-Up Display HUD for Car — OBD2 + GPS Dual System, Black, Speedometer \u0026 Tachometer","description":"\u003cb\u003eMH 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.\u003c\/b\u003e\n\nThe 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.\n\n\u003ch3\u003eHow does the MH HUD show accurate speed and engine information while driving?\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOBD2 mode: live speed, tachometer, fuel consumption and diagnostic trouble codes\u003c\/li\u003e\n  \u003cli\u003eGPS mode: satellite speed, altitude, number of satellites and driving direction\u003c\/li\u003e\n  \u003cli\u003eSwitches automatically or manually between OBD2 and GPS\u003c\/li\u003e\n  \u003cli\u003eClear numeric and icon readouts optimized for head-up projection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety alerts and customizable warnings can I set?\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOverspeed alarm adjustable from 5 to 200 km\/h\u003c\/li\u003e\n  \u003cli\u003eEngine temperature warning adjustable from 50°C to 200°C\u003c\/li\u003e\n  \u003cli\u003eBattery voltage alarm configurable between 10.0 and 15.0 V\u003c\/li\u003e\n  \u003cli\u003eRPM alert range from 1,000 to 8,000 revolutions per minute\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhich vehicles and diagnostics does this HUD support?\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFully compatible with standard OBD2 (post-2008) gasoline cars\u003c\/li\u003e\n  \u003cli\u003eNot compatible with many diesel, hybrid, pickup, RV or heavily modified vehicles\u003c\/li\u003e\n  \u003cli\u003eKnown brand incompatibilities include Jeep, Peugeot, Citroën, Fiat, Renault, DS, Lamborghini, SIMCA, Suzuki\u003c\/li\u003e\n  \u003cli\u003eGPS-only operation available when OBD2 protocol is unsupported\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I install and personalize the HUD display?\u003c\/h3\u003e\n\u003cp\u003eInstallation 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.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTwo mounting options: dashboard pad or windshield bracket\u003c\/li\u003e\n  \u003cli\u003eDisplay adjustments: 10 interface styles and 8 brightness levels\u003c\/li\u003e\n  \u003cli\u003eUnits switchable between km\/h and mph, and °C\/°F\u003c\/li\u003e\n  \u003cli\u003eSimple fault code scan and one-button clear for stored trouble codes\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for?\n\nThe 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.\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this HUD work if my car doesn’t support OBD2?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: If your car lacks OBD2 compatibility the HUD still runs in GPS mode to show speed, altitude, satellite time and basic trip data.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I clear engine fault codes with this device?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — when connected to the car’s OBD2 system you can scan for fault codes and clear stored engine codes via the device.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MH","offers":[{"title":"Default Title","offer_id":55168354681175,"sku":"B0F2H6WZZX","price":54.06,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/mh-hud-front-display.jpg?v=1790401491","url":"https:\/\/britishgarage.co.uk\/products\/mh-head-up-display-hud-for-car-obd2-gps-dual-system-black-speedometer-tachometer","provider":"British Garage","version":"1.0","type":"link"}