
FAQ
📦 Orders & Shipping
- Processing Time: 1-2 Business Days.( No shipments on weekends )
- Delivery Time:
3-7 Business Days from United States Warehouse;
7-15 Business Days from China Warehouse.
Special circumstances may cause delays, please understand
- Track My Order: Once your order ships, you'll receive a tracking number via email. You can use it to track your package at any time.
- Do I have to pay customs or import taxes?
For orders shipped from our US warehouse, no customs fees apply.
For international shipments, customs duties may apply depending on your country's regulations. These are the buyer's responsibility.
↩️ Returns & Refunds
- What is your return policy?
We offer a 30-day return policy. Items must be unused and in original packaging. Please contact us at support@kuoweihud.com to initiate a return.
- My item arrived damaged. What should I do?
Please contact us with 7 days of delivery with photos of the damaged item. We will arrange a replacement or full refund promptly.
📬 Contact & Support
- How can I contact customer support?
You can reach us at support@kuoweihud.com. You can also click the icon in the bottom right corner to contact us online. We respond within 48 Hours.
Why Choose F3 OBD2 Multifunction Car Gauge?
6 Major Alarm Function
It will trigger a visual alert (the icon will flash), if it exceeds the default value or preset limit.
- Speed Alarm
- RPM Alarm
- High Voltage Alarm
- Low Voltage Alarm
- High Water Temperature Alarm
- Engine Fault Alarm
Two Colors Available
- Black
- Silver
Multi-function Driving Data Display
- Turbo Pressure / Fuel Consumption
- Speed
- Engine Fault
- Total Odometer / Trip Distance
- RPM
- Coolant Temperature
- Voltage
One-button to Switch the Display Mode
- Scroll up the button to switch the display data: Fuel Consumption / Turbo Pressure
- Scroll down the button to switch the display data: Trip Distance / Total Odometer
Automatic Brightness for Day & Night Driving
The F3 OBD2 Gauge automatically adjusts screen brightness according to ambient light, Easy to read during both daytime and nighttime driving.
With 360° Adjustable Suction Bracket
Easy Windshield Mount with Suction Cup
Clear View from Any Angle
Simple 4-Step Installation
- Attach the bracket to F3 OBD2 Gauge;
- Connect the provided cable to the device;
- Connect the OBD2 cable to Vehicle OBD2 socket;
- Stick F3 Gauge on car windshield;
Tips:
- Before installation, Put the vehicle in "P"or "N" gear, pull up the handbrake and start the vehicle to ensure that the vehicle is in an idle state;
- Specific installation instructions can refer to F3 OBD2 Speedometer Installation Guide: Setup & FAQs
Product Information
What’s in the Box?
- 1 x F3 Car Gauge
- 1 x OBD2 Cable
- 1 x 360° Rotating Sucker Bracket
- 1 x User Manual