Car OBD HUD B3 Head Up Display Digital Speedometer Overspeed Alarm Clock RPM Voltage Water Temperature Multifunctional Display
B3 OBD HUD Functions:
vehicle speed, tachometer , water temperature, fuel consumption, voltage, time, single driving distance, single driving time
Alarm: overspeed alarm, speed alarm, water temperature alarm, voltage alarm, fatigue driving reminder alarm
Auto-match models, plug and play According 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 2003 and most other cars after 2007.)