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The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. obd2 Gauges Display Car HUD Head Up Display F8 Merchant VideoBuilt in OBD diagnostic function, can read vehicle data stream, support acceleration/braking performance testing and clear fault codes, display functions can include key driving data such as vehicle speed, water temperature, voltage,fuel consumption,single mileage,driving time,driving direction,etc.
Plug and play, easy to install
1 Product display 2 Installation method 3 Product details 4 Product accessories Multiple alarm system functions – improve driving safety
The OBD2 instrument supports custom over limit parameters, triggering dual sound and light alarms for situations such as overspeed, engine failure, high engine speed, abnormal water temperature, and unstable voltage, comprehensively safeguarding driving safety.
1 12 languages
2 10 Display modes
3 OBD line
4 Read all datas
OBD2 System Troubleshooting Introduction:Thanks for purchasing our car smart digital meter. This product connects car OBD2 interface by OBD cable,and display the driving data, e.g. vehicle speed,engine RPM,water temperature,fuel consumption,voltage etc. It can keep the driver’s eyes always on road to avoid the dangerous of lowering down head to read the dashboard. This product won’t change any car ECU dates.OBD2 System Troubleshooting
1.The screen without any display,and no power: Start the car engine;check if the OBD cable line is tight;please pull down the OBD cables more times to ensure;check if product power switch turns on. If still no display ,please change another car to test, analyze whether the car OBD diagnostic interface is good, if it is not good,please repair it and try again.
2.Only shows the car voltage and be automatic power off after 30 second when the device is with power:(1)This product just available for cars with OBD2 agreement and EU-OBD agreement(European region: after 03 years, Other region:after 07 years); (2)This Products do not support JOBD and OBDI; (3)Please switch to the GPS system to display using the USB cable. When the device powered on,right dial within 5 seconds to select the GPS system.
3.Inaccurate Speed:(1) First check the speed unit is correct or not, the speed unit including KM/H and MPH,please refer to the setting to switch the unit; (2) When the product is power on,long press in the button to enter into the menu option,pull down the button to choose the speed adjust,short press in the button to set the value,pull down or up to change the value.(If the dashboard speed is 100 Km/h, but the device displays 105Km/h,just need to adjust the value at 102)
4.Inaccurate Fuel consumption: Check your car displacement,and set the device same as your car(if your car is 2.0L,then change the device value at 2.0L).The fuel consumption can be adjusted,but we don’t suggest to change it ,because all the datas are read from the car ECU directly.
5.The device can not auto power off: Adjust the sleep voltage to 13.2V or 13.6V, then HUD will power off in 3 minutes.
6.Auto start and stop cars: In the system settings, adjust the shutdown voltage setting to COM mode
7.HUD crashes in driving,or Hybrid car: (1) In the system settings, adjust the shutdown voltage setting to COM mode; (2)Change the power off time to 300s. If still can’t solve,please switch to GPS system.
8.Wrong operation lead to crashes: (1) Please check the OBD interface if connected withe other device; (2) Modified and retrofitted cars will cause a crash.Please remove other OBD devices and do the factory reset;(3)If still not solved,please switch to GPS system.
GPS System Troubleshootingkindly attention
This OBD2 head up display has dual modes of GPS and OBD, and is equipped with an OBD cable and a USB cable. However, it is worth noting that the OBD system is only applicable to some gasoline vehicles manufactured after 2009; If your car is a diesel or pre-2009 model, you can only use GPS mode. If the OBD system is not compatible, please switch to the GPS system. OBD mode working voltage: 11V~18VDC (12Vdc/200mA), when voltage is higher than 24v, please use a USB cable for GPS mode. This product is a dual system (OBD2+GPS):the screen flickers after power on, dial the right dial to select OBD or GPS system, if without operation,it will automatically enter the last selected system after 5 seconds
1.The screen without any display,and no power: A.Check if the cable line or cigarette lighter is tight; B.plug it out several times; C.insert the USB to the cigarette lighter.
2.No Speed:After HUD power-on, the GPS will start to find the satellite. Please driving the car to the road. It will work once gets more than 5 satellite signals.
3. Cannot be turned on automatically or repeatedly extinguished during driving: (1)Please use the USB cable to insert the cigarette lighter; (2)If you use the OBD cable, change the sleep voltage to 13.0V or 12.8V;(3)If use the USB cable, make the sleep voltage off.
4.Inaccurate time:Entering into the setting menu, choose the time adjust, pull up or down the button to change it; After setting,long press in the button to save and exit.
5.Inaccurate Speed:a.First check the speed unit is correct or not, the speed unit including KM/H and MPH,please refer to the setting to switch the unit.b.The car manufacturers usually make the dashboard speed 5-7% higher than the ECU. The international standard is based on satellite data. (if the dashboard shows 100,and the device shows the 105,change the default value at 102)
6.Driving direction display error:After the vehicle speed exceeds 5KM / H, the direction can be displayed normally.
7. Speed is still displayed after the car stops: Under the underground parking lot, tunnel, under the overpass, there will be unstable satellite drift when there is obstruction. Please drive the vehicle to the empty road. The number of satellites found is more than 5 and it shows normal.
8. The device cannot auto power off when the car is turned off:If connects by OBD cable, it will auto power off in 3 minutes.If it still not powers off in 5 minutes,please change the sleep voltage to 13.5V, or use the USB cable.
Product Function Comparison Table
Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews — 4.0 out of 5 stars 2,306 5.0 out of 5 stars 1 3.9 out of 5 stars 717 3.7 out of 5 stars 115 — 3.7 out of 5 stars 4 Price $53.99$53.99 $38.99$38.99 $63.99$63.99 $37.99$37.99 $54.99$54.99 — $129.99$129.99 System OBD2+GPS OBD2+GPS OBD2+GPS+navigation OBD2+GPS OBD2+GPS+Slope+Accelerometer OBD2+GPS OBD2+GPS+Slope+Accelerometer Vehicle speed ✔ ✔ ✔ ✔ ✔ ✔ ✔ RPM ✔ ✔ ✔ ✔ ✔ ✔ ✔ Water temperature ✔ ✔ ✔ ✔ ✔ ✔ ✔ Fuel consumption ✔ ✔ ✔ ✔ ✔ ✔ ✔ Voltage ✔ ✔ ✔ ✔ ✔ ✔ ✔ Overspeed alarm ✔ ✔ ✔ ✔ ✔ ✔ ✔ RPM alarm ✔ ✔ ✔ ✔ ✔ ✔ ✔ Water temperature alarm ✔ ✔ ✔ ✔ ✔ ✔ ✔ Voltage alarm ✔ ✔ ✔ ✔ ✔ ✔ ✔ Tilt alarm ✘ ✘ ✘ ✘ ✔ ✔ ✘ Engine malfunction alarm ✘ ✘ ✔ ✘ ✘ ✘ ✘Your personal vehicle inspection assistant: Our OBD2 gauge display, with its unique OBD computer diagnostic function, can read the entire vehicle data stream, clear fault codes through vehicle acceleration and braking performance tests, and eliminate faults without the need for professional equipment. And the HUD speedometer displays driving data (such as vehicle speed, water temperature, voltage, etc.) directly in front of your eyes, avoiding the danger of looking down at the dashboard.
Please note: This OBD2 head up display has dual modes of GPS and OBD, and comes with an OBD cable and USB cable. However, it is worth noting that the OBD system is only applicable to some gasoline vehicles manufactured after 2009; If your car is a diesel or pre-2009 model, you can only use GPS mode. If the OBD system is not compatible, please switch to the GPS system.
9 customizable interfaces: speedometer for car. Each display interface can be customized, allowing you to choose the desired data and select 9 interface displays on the data screen through the settings menu. The stylish design makes the data more vivid and interesting.
A+level alarm system – Digital speedometer for CA can set over limit parameters and provide sound and light alarms to enhance driving safety: overspeed alarm, engine fault code alarm, speed alarm, high water temperature alarm, voltage alarm, and fatigue driving alarm.
Plug and play, easy to install: The car heads up display is easy to install and can automatically switch on and off, start and stop with the car, and automatically switch on and off, which is very convenient and will not damage the car. Installation steps: ① Insert the OBD socket connector ② Insert the wire into the A-pillar sealing strip ③ Connect one end of the OBD interface to the HUD and place the HUD in the appropriate position.
Ideal gift choice: Meet the needs of users who pursue ultimate safety and comfortable driving experience. HUD, as a gift for wives, husbands, family members, friends, or roommates, has advantages such as accurate readings, affordable prices, essential practicality, and reliable performance.


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