Tips: Motorcycles can also be usedPay attention to waterproof HUD Drive: The best head-up display for any car1Head-up display (HUD) for everyday commute to stay focused and connected while driving2Installed on the dashboard at one time, the cables are concealed, and the appearance is the same as the original car, The machine does not damage the car, and use safe. For all models, the connection is a USB interface.5v The original car is not damaged, the smart is started to stop with the carHUD works: Receive the data from the car and display it on the machine. 1Satellite icon: After the satellite is found,the GPS light stops flashing and stays on for normal use. 2Vehicle speed display 3Compa: N (North) E (East) W (West) S (South) 4Speed unit: KM/H (kilometers) MPH (miles) Automatic adjustment of light brightne Multiple display modes GPS Compa HUD for all cars FAQ 1. No display on the screen, no power Check whether USB line is damaged, replace USB line test, and prohibit using voltage higher than 5V 2. No speed The satellite icon flashes indicating the star search state. Please move the car to the open road and wait until the satellite icon stops flashing 3. The speed is not allowed Check unit correct, km KM / mile MPH, (speed unit switch reference settings) When the car leaves the factory, the manufacturer increases the speed displayed on the dashboard by 5-7%, and the international standard is subject to satellite data Fine-tune the vehicle speed, if the meter displays 100 Km/h, the machine displays 105 Km/h, and adjust the parameter value to 102 4. Driving direction is wrong The satellite cant tell your direction when there have no speed, and the speed exceeds 5KM / H 5. The speed is still displayed after the car is stopped Underground parking lot, tunnel, overpa, with shielding will make the signal unstable satellite drift, please drive the car to the open road The wheel dials left for 2 seconds to turn off the buzzer and dial left for 2 seconds to open the buzzer