1. Introduction
The Liiiyuan P2-New OBD2 Head-up Display (HUD) is a multi-functional device designed to enhance your driving experience by projecting essential vehicle data directly into your line of sight. This device combines OBD and GPS dual systems, offering comprehensive data display, diagnostic capabilities, and an integrated slope meter. It is compatible with a wide range of vehicles supporting standard OBD-II protocols.
Image 1: The Liiiyuan P2-New OBD2 Head-up Display unit, showcasing its main screen with speed and RPM readings.
2. Key Features
- OBD+GPS Dual System: Provides enhanced compatibility and accurate data acquisition from both vehicle's OBD-II port and GPS satellites.
- Multi-function Display: Capable of displaying a wide array of driving data including speed, RPM, voltage, water temperature, oil level, clock, driving time, driving distance, number of satellites, outside temperature, driving direction, latitude, longitude, altitude, and average fuel consumption.
- Integrated Slope Meter: Features built-in 6-axis MEMS sensors to provide real-time vehicle body posture information, including pitch and roll angles, useful for off-road driving.
- Alarm Functions: Includes configurable alarms for speeding, high RPM, high water temperature, abnormal voltage, turbine pressure, exhaust temperature, oil temperature, oil pressure, and fuel pressure, with visual (red flashing light) and/or audible alerts.
- Customizable Interfaces: Offers 12 distinct display styles to personalize the information layout.
- Ambient Lighting: Multi-ambient light display that can change with alarm conditions, improving visual alerts.
- High Definition LCD Display: Ensures clear and bright visuals for easy readability.
- Multiple Installation Methods: Equipped with a split bracket that supports 360° rotation, allowing for flexible adjustment of visual angle and height for dashboard or windshield placement.
Image 2: The Liiiyuan P2-New Head-up Display showing multiple data points like RPM, speed, and temperature, highlighting its multifunctional capabilities.
Image 3: A visual representation of all the data points the Liiiyuan P2-New HUD can display, including speed, RPM, voltage, and various temperatures.
Image 4: A collage showing 12 distinct display interfaces available on the Liiiyuan P2-New HUD, allowing users to customize their view.
Image 5: The built-in slope gauge feature of the Liiiyuan P2-New HUD, illustrating how it displays uphill, downhill, left tilt, and right tilt angles.
Image 6: The Liiiyuan P2-New HUD displaying a red flashing alarm light, indicating an over-speed or other driving abnormality, enhancing safety.
3. Package Contents
Please verify that all the following items are present in your package:
- P2 unit (Main Head-up Display device)
- USB cable
- Non-slip mat
- OBD cable
- Manual (this document)
Image 7: An illustration of the Liiiyuan P2-New HUD package contents, including the main unit, USB cable, non-slip mat, OBD cable, and manual.
4. Setup Instructions
4.1. Installation Location
The Liiiyuan P2-New HUD can be placed on the dashboard or mounted on the windshield. Select a location that provides a clear view of the display without obstructing your view of the road or interfering with vehicle controls.
Image 8: This image demonstrates the flexible installation options for the Liiiyuan P2-New HUD, showing it placed on the dashboard and mounted on the windshield, along with its 360-degree rotatable bracket.
4.2. Connecting the Device
- Locate your vehicle's OBD-II port. This port is typically found under the dashboard on the driver's side.
- Connect one end of the provided OBD cable to the vehicle's OBD-II port.
- Connect the other end of the OBD cable to the OBD interface on the Liiiyuan P2-New HUD unit.
- If placing on the dashboard, use the non-slip mat to secure the device. If mounting, attach the unit to the windshield using the adjustable bracket.
- Adjust the viewing angle and height using the 360° rotatable bracket to ensure optimal visibility and comfort.
4.3. Initial Power-On
Once properly connected, the device should power on automatically when the vehicle's ignition is turned on. The display will show a brief boot-up sequence before presenting real-time driving data.
5. Operating Instructions
5.1. Display Modes and Data
The P2-New HUD supports various display modes and can show a wide range of data points. Use the control wheel/button on the device to navigate through different interfaces and settings. The available data points include:
- Speed: Current vehicle speed.
- RPM: Engine revolutions per minute.
- Voltage: Vehicle battery voltage.
- Water Temperature: Engine coolant temperature.
- Oil Level: Engine oil level.
- Clock: Current time.
- Driving Time: Duration of the current trip.
- Driving Distance: Distance covered in the current trip.
- Satellites: Number of GPS satellites detected.
- Outside Temperature: Ambient air temperature.
- Driving Direction: Compass direction.
- Latitude/Longitude/Altitude: GPS coordinates and elevation.
- Average Fuel Consumption: Real-time fuel efficiency.
- Slope Meter: Displays pitch and roll angles of the vehicle.
5.2. Alarm Settings
The device features multiple alarm functions to enhance driving safety. These alarms can be configured through the device's settings menu:
- Over-speed Alarm: Alerts when a preset speed limit is exceeded.
- RPM Alarm: Alerts when engine RPM exceeds a preset limit.
- Water Temperature Alarm: Alerts if engine coolant temperature becomes too high.
- Voltage Alarm: Alerts for abnormal battery voltage.
- Additional alarms include Turbine Pressure, Exhaust Temperature, Oil Temperature, Oil Pressure, and Fuel Pressure.
When an alarm condition is met, the display will show a red flashing light and/or an audible alert (if enabled in settings).
5.3. Interface Customization
The Liiiyuan P2-New HUD offers 12 different display interfaces. You can switch between these interfaces using the control wheel/button to find the layout that best suits your preferences and driving needs.
Refer to the device's on-screen menu for detailed instructions on navigating and customizing settings.
6. Maintenance
- Cleaning: Use a soft, dry, lint-free cloth to clean the display screen and the device body. Avoid using abrasive cleaners, solvents, or chemical sprays, as these can damage the unit.
- Cable Inspection: Periodically inspect the OBD and USB cables for any signs of wear, fraying, or damage. Replace damaged cables immediately to ensure safe and reliable operation.
- Software Updates: Check the manufacturer's official website periodically for any available firmware updates. Keeping the device's software up-to-date can ensure optimal performance, compatibility, and access to new features.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. |
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| No data displayed or incorrect readings. |
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| Display is blurry or unclear. |
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| Alarms are not functioning. |
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8. Specifications
- Model: P2-New
- Brand: Liiiyuan
- Material: Plastic
- Connectivity: OBD2, GPS
- Display Type: HD LCD
- Sensors: Built-in 6-axis MEMS (for slope gauge)
- Approximate Dimensions (L x W x H): 120mm x 83mm x 55mm (4.72 x 3.27 x 2.16 inches)
- Item Weight: 0.2 Grams
- Package Dimensions: 6.14 x 3.74 x 2.64 inches
- Date First Available: September 9, 2023
Image 9: Detailed view of the Liiiyuan P2-New HUD, highlighting its dimensions, control wheel, photosensitive aperture, and OBD interface.
9. Warranty and Support
For specific warranty information, technical assistance, or customer support, please refer to the documentation included with your purchase or visit the official Liiiyuan website. It is recommended to retain your proof of purchase for any warranty claims.
