Condition：LEDDark or night + car stop：Not flashDark or day + car travel：Not flashDark or night + car travel：FlashFeatures：-Solar energy can be absorbed and saved in high efficiency solar cells.-Built in high capacity a lithium battery， with no memory effect and a long service life.-Imported high brightness LED clips， to avoid accidents while driving at the night and to decorate.-While Driving at night， flashing function can be activated with the help of light-control and micro-vibration sensor system.-It will shut down automatically 30 seconds after parking.USE:1.In the dark，press the button 3 seconds after the opening，and one more time press the button 3 seconds you can shut down.2.Mode selection，press the button 3 seconds opening into the colorful pattern，then press the switch work for the blue light， one more press the switch work the green light， one more press the switch work for the red light， the four press it again to enter the colorful pattern.Attention:1.Please charge more than two hours in the sun before use.2.Regular cleaning solar panel surface，in order to ensure normal work.3.Please tighten all screws， firm installation products to avoid the product off the wheel to rotate at high speed.Fitment：1999-2000，2007-2013 for BMW 328i1999-2013 for Toyota 4Runner1999-2004，2006-2013 for Audi A42010-2013 for Audi A51999-2013 for hyundai Accent1999-2013 for for Accord2004-2011 for Chevrolet Aveo2006-2013 for for hyundai Azera1999-2013 for Toyota Camry2008-2013 for for dodge Challenger1999-2013 for civic1999-2013 for Toyota Corolla1999-2013 for ford Expedition1999-2013 for ford Explorer1999-2006，2010-2013 for Volkswagen Golf1999-2013 for Volkswagen Jetta1999-2013 for Toyota Land Cruiser1999-2013 for ford for mustang1999-2013 for odyssey2001-2013 for hyundai Santa Fe2005-2013 for hyundai TucsonPackage Included：1 x Solar Flash Wheels Light