Let me clarify something important about driver's licenses. Standard physical driver's licenses issued by most authorities do not have a flashing red light feature. This might be a misunderstanding or confusion about what you're observing on your license.
There are several possible explanations for what you might be observing. It could be a security feature that's only visible under ultraviolet light, which many licenses have for anti-counterfeiting purposes. Alternatively, if you're using a digital driver's license app on your smartphone, the red light might be a notification indicator. It could also simply be a reflection or visual effect you're seeing on the physical card.
If you're using a digital driver's license app, which many states now offer, the red light you're seeing could be a notification badge, status indicator, or security verification feature within the app. These digital licenses often have various visual indicators to show verification status, expiration warnings, or other important information. The red light might appear when the app is actively being used for verification purposes.
Physical driver's licenses do contain various security features, but these are not flashing red lights. Many licenses have UV-reactive inks that become visible under ultraviolet light, holographic elements, microprinting, and some even contain RFID chips. These security features may look different under various lighting conditions, but they don't actively flash or emit light. If you're seeing something that appears to be flashing, it's likely a reflection or an optical effect rather than an intentional feature of the license.
To get accurate information about any features on your specific driver's license, I recommend contacting your state's Department of Motor Vehicles directly. You can check their official website, call their office, or visit in person. They can provide definitive answers about what you're observing and explain any security features or digital components that might be present in your particular license. Each state has different specifications, so official sources will give you the most reliable information.