Bestsellers for Car Head up Display
Your car's head-up display (HUD) might not be working due to several reasons. It could be due to a loose OBD cable, incompatibility with your car's OBD agreement, interference from other OBD devices, inaccurate speed display, issues with automatic start/stop systems, or voltage problems. These issues can be resolved by checking the OBD cable, ensuring compatibility, avoiding crashes, adjusting speed display, managing automatic start/stop systems, and setting the correct voltage. Remember, these troubleshooting steps are specific to OBD2 HUDs. If these steps don't resolve the issue, you might need to consult a professional or consider getting a new HUD.
Understanding Your Car's Head-Up Display (HUD)
A **Head-Up Display (HUD)** is a digital transparent image projected on the windshield of a car, displaying the same information you would get from the dashboard. This can include everything from your current speed to the revs on your engine, and even various temperature gauges. You can find a variety of these devices on Wish, which offers a wide range of affordable and budget-friendly HUDs.
Checking the OBD Cable
The first step in troubleshooting your HUD is to check the OBD (On-Board Diagnostics) cable. This cable connects your HUD to your car's computer system. If it's not securely connected, your HUD might not display any information. Try pulling the OBD cable out and plugging it back in several times. If this doesn't work, you might want to try using the HUD in another car to see if the problem lies with the cable or the HUD itself.
Ensuring Compatibility with Your Car's OBD Agreement
HUDs are designed to work with cars that have OBD2 and EOBD agreements. If your car was manufactured before 2008 or has a different OBD agreement (such as JOBD or OBDI), the HUD may not be compatible. In this case, you may need to replace the HUD or use it in a different car that complies with the OBD2 interface. Wish offers a variety of affordable HUDs that are compatible with OBD2 and EOBD agreements.
Avoiding Crashes with Other OBD Devices
If your car is equipped with other OBD devices or has been modified (e.g., central control navigation, electronic throttle controller, speed cruise), it may cause a crash with the HUD. Try unplugging other OBD devices and doing a factory reset. You can also try using the HUD without any other OBD devices or in a different car.
Adjusting the Speed Display
If the HUD displays a different speed than your car's instrument panel, you can fine-tune the values. Enter the menu option by long-pressing the 'M' button, navigate to menu 1, and adjust the parameter value. For example, if the instrument panel displays 100 KM but the HUD displays 105KM, you can adjust the value to 102. Remember to save your adjustment by long-pressing the 'M' button.
Managing Automatic Start/Stop Systems
If your car has an automatic start/stop system, the HUD may shut down after 20 seconds when the engine stops running. You can adjust the turn-off voltage to 1V in Menu 10 to prevent this. This is especially important for hybrid electric vehicles, which often have automatic start/stop systems.
Setting the Correct Voltage
If the HUD does not automatically power off when the RPM or speed is not at 0, you can enter the menu and set the voltage from 0 to 13.2V or 13.5V in Menu 10. The HUD will then turn off after 3 minutes. If the HUD automatically restarts, it indicates that the car voltage is higher than the starting voltage of 13.2 volts. You can set the voltage to 13.6-13.8V in the menu to prevent this.
When to Consider a New HUD
If you've tried all these troubleshooting steps and your HUD is still not working, it might be time to consider getting a new one. Wish offers a wide range of affordable HUDs that can fit your budget and your car's specifications. Remember, a functioning HUD can contribute to safer driving by allowing you to keep your eyes on the road while still being aware of important vehicle information.
Wish Buying Guide
When considering purchasing a Car Head up Display (HUD), there are several factors to keep in mind. First and foremost, compatibility is crucial. Make sure the HUD is compatible with your vehicle's OBD2 protocol or GPS system, depending on the type of HUD you prefer. Additionally, consider the size and design of the HUD. It should be compact enough to fit comfortably on your dashboard without obstructing your view.
Another important aspect to consider is the display quality. Look for a HUD with a high-definition screen and clear digital display. This will ensure that the information projected onto the windshield is easily readable, both during the day and at night. Additionally, opt for a HUD with automatic brightness adjustment, as this will provide optimal visibility in various lighting conditions.
Functionality is also key when choosing a HUD. Consider the specific features that are important to you, such as speed, water temperature, voltage, fuel consumption, and more. Some HUDs may offer additional functions like compass, acceleration tests, and overspeed alarms. Choose a HUD that offers the functions that align with your needs and preferences.
Lastly, don't forget to consider the installation process and ease of use. Look for a HUD that is easy to install and doesn't require complex wiring or modifications to your vehicle. A plug-and-play HUD is ideal for hassle-free installation. Additionally, choose a HUD with user-friendly controls and intuitive menu settings for easy navigation and customization.
By considering these factors, you can find the perfect Car Head up Display that suits your needs and enhances your driving experience. With the right HUD, you can stay informed, focused, and safe on the road. Here are some products we recommend.
Car HUD M3 OBD2 Tester Speedometer Projector Dashboard Display System
The Car HUD M3 OBD2 Tester Speedometer Projector Dashboard Display System is a great product for drivers who want to ensure safety on the road. It features multiple functions such as speed, water temperature, and voltage readings, light sensor to adjust brightness according to environment, two ways of restoring settings and fault code clearance. It also supports cars with Automatic start/stop system or Gas-electric hybrid vehicle, as well as menu setting and OBD troubleshooting. This product is a great tool for drivers to keep the best state while driving.
- Easy Installation: Many customers have praised the product for its simple and quick installation process.
- Clear and Bright Display: Users love the product's clear and bright display, making it easy to read even in broad daylight.
- Accurate Speedometer: The speedometer of the Car HUD M3 OBD2 Tester is highly accurate, providing reliable information to drivers.
- Versatile Dashboard Display System: The product's comprehensive dashboard display system, which displays various vehicle metrics, has been lauded by users.
- High Compatibility: The device is compatible with a wide range of vehicles, making it a favorite among many car owners.
- Durable Construction: Users appreciate the product's sturdy build and long-lasting performance.
- Useful Projector Feature: The projector feature is highly appreciated for its ability to project information directly onto the windshield, reducing driver distraction.
OBD2 HUD Car Head Up Display M3 Speed Projector Security Alarm Water Temp RPM Speedometer
This OBD2 HUD Car Head Up Display M3 Speed Projector Security Alarm Water Temp RPM Speedometer is an incredibly useful product with many features. It can display driving data on the front windshield such as speed, water temperature, voltage and single mileage which helps drivers stay focused while driving. It has a light sensor to automatically adjust brightness and also comes with an engine icon, water temperature icon and voltage icon. Additionally, the product offers two methods of restore settings as well as fault code clearance and turn off/on buzzer options. Lastly, it includes a menu setting for easy customization.
- Easy to Install and Use: Users appreciate the straightforward installation process and the user-friendly interface of the OBD2 HUD Car Head Up Display M3 Speed Projector.
- Real-Time Data Display: Customers love how it provides real-time data, including speed, RPM, and water temperature, ensuring safe and efficient driving.
- Security Alarm Feature: The built-in security alarm is a big hit among users as it alerts them about any potential issues with their vehicle.
- Clear Visibility: The display is praised for its high visibility, allowing drivers to easily read the information even in bright daylight or at night.
- Speedometer Accuracy: Users highlight the accuracy of the speedometer, which helps them maintain a safe driving speed.
- Durable Construction: Customers have noted that the device is sturdy and durable, standing up to daily use in various weather conditions.
- Compact Design: The compact design of this head-up display is appreciated as it does not obstruct the driver's view while providing necessary information.
Car HUD M3 OBD2 Tester Speedometer Projector Dashboard Display System
The Car HUD M3 OBD2 Tester Speedometer Projector Dashboard Display System is a great product for drivers who want to ensure safety on the road. It features multiple functions such as speed, water temperature, and voltage readings, light sensor to adjust brightness according to environment, two ways of restoring settings and fault code clearance. It also supports cars with Automatic start/stop system or Gas-electric hybrid vehicle, as well as menu setting and OBD troubleshooting. This product is a great tool for drivers to keep the best state while driving.
- Easy Installation: Many customers have praised the product for its simple and quick installation process.
- Clear and Bright Display: Users love the product's clear and bright display, making it easy to read even in broad daylight.
- Accurate Speedometer: The speedometer of the Car HUD M3 OBD2 Tester is highly accurate, providing reliable information to drivers.
- Versatile Dashboard Display System: The product's comprehensive dashboard display system, which displays various vehicle metrics, has been lauded by users.
- High Compatibility: The device is compatible with a wide range of vehicles, making it a favorite among many car owners.
- Durable Construction: Users appreciate the product's sturdy build and long-lasting performance.
- Useful Projector Feature: The projector feature is highly appreciated for its ability to project information directly onto the windshield, reducing driver distraction.
