Notice: If you are not sure whether the model year is suitable, please comfirm with us before purchase. OBD2 applicable models: OBD2 is applicable to OBD2 gasoline vehicles produced in the United States after 2004, and OBD2 gasoline vehicles produced in other countries after 2008. OBD2 models are not applicable to the following models: Incompatible: American models: Dodge, JEEP, IMSEOER, Chrysler and cars manufactured in the United States before 2004. Incompatible: French and Italian cars are not available: Fiat, Maserati, Lamborghini, DS, Peugeot, Citroen, Renault, Simca, etc. Incompatible: Some Japanese cars are not available: Suzuki, Mazda 6, Infiniti (QX50 Q50 Q501), 2013 Toyota AVANZA, Lexus (is250, ex250, ES300H), Honda (Jazz, CRV) and cars produced before 2008. Incompatible: some Korean Kia and Hyundai cars (2013 Hyundai Sonata, 2017 Kia Soul PS, etc.) Incompatible: Hybrid and diesel cars, pickup trucks, RVs, cars equipped with modified car computers, Swi Volvo, Chrysler Group, Fiat Group and all brand models. Incompatible: German cars before 2004 The above models cannot use OBD2 models, please use GPS models. New Head Up Display Auto Display OBD2+GPS Smart Car HUD Gauge Digital Odometer Security Alarm Water&Oil Temp RPM Car Acceorie OBD & GPS (Dual Working Systems), Works on All Vehicles.(Diesel, Gasoline, Hybrid, Trucks and Motor cars and so on) Product Function: 1.OBD mode information display: vehicle speed, water temperature, voltage,fuel consumption, RPM, single mileage, total cumulative mileage, travel time, system time, intake preure,oil temperature, air-fuel ratio,turbopreure,intake preure, acceleration test, brake test, read data stream. Alarm:Overspeed alarm, Speed alarm, High water temperature alarm, Low voltage alarm, Engine fault alarm, Clear fault code, Free switching between kilometer and miles,KM/h & MPH Switchfreely,C & switch freely. 2. GPS mode information display: speed, travel time, satellite time, altitude, number of satellites, driving direction, single mileage, voltage, acceleration test, brake test. Alarm: Overspeed alarm, Low voltage alarm, Free switching between kilometer and miles. Product Highlights: 1.-OBD + GPS dual system, can work on all cars.If You Car OBD2 Protocol is Not Open, You Can Choose GPS Working System, GPS is Compatible with All Car 2. -Two installation methods:1) stand on dashboard, 2) upside down on windshield 3. -The bracket can be rotated in 360 degree to adjust the visual angle and height. 4. -Speed Unit KM/H & MPH Switch freely; 5. -Turbine preure: PSI and KPA switch freely. 6. -Fuel consumption units: KM/L and L/100km 7.-The first HUD to show all data of OBD+GPS dual mode, no need to switch working system if OBD2 protocol is compatible. 8.-Add AMBIENT LIGHT:the default color is in Blue When there is an alarm,change to red and flashing (remains the brightest) to Remind the driver.