RYSJM | M7 Smart Digital Multi-Function Meter OBD+GPS Head Up Display OBD2 Fuel Consumption Temperature Speed Driving Mileage Alarm

Please Note:1. OBD mode is not suitable for pickup trucks, RVs, and diesel vehicles2. Cars before 2008 cannot be used3. Our OBD2 is suitable for most OBD2 protocol gasoline cars and private cars, with a small number of vans and SUVs that can be used. However, please contact us for confirmation before purchasing. Thank youThe OBD HUD not suit for all cars and is usually suitable for cars after 2008.Please ask the customer service if the model is suitable before purchasing.If you do not ask for direct purchase, no refund will be given.Auto-match models, plug and playAccording to OBD or EUOBD,( the on-board auto-matic diagnosis system) plug and play.- Judgment method:Open and find the sticker under the hood.lf OBD2 CERTIFILE can be installed (as shown in Figure 1)Or check whether there is an automobile diagnosis port under the steering wheel (as shown in figure 2)(u.s. cars can be used after 2004 and most other cars after 2008.)