For instant vehicle information retrieval, including a reverse lookup of vehicle details, you typically need access to a reliable database or service. Here are a few steps you might consider:

1. Use a Reliable Online Service: Look for reputable online services that offer vehicle information lookup. These services often allow you to enter a vehicle’s details, such as the license plate lookup to retrieve relevant information instantly.
2. Visit Official Government Websites: In some regions, government agencies responsible for vehicle registration and licensing provide online portals where you can check vehicle details. These portals may allow you to perform a reverse lookup using a license plate number or VIN.
3. Consider Mobile Apps: There are mobile applications available for smartphones that offer instant vehicle information lookup. These apps often provide features for scanning license plates or entering VINs to retrieve vehicle details quickly.
4. Subscription Services: Some subscription-based services offer comprehensive vehicle history reports and real-time information lookup. While these services may not be free, they often provide accurate and detailed information about vehicles.
5. Check Local Regulations: Be sure to comply with local regulations and privacy laws when accessing vehicle information. Unauthorized access to personal vehicle data may be illegal in some jurisdictions.

Remember to use reliable and authorized services to ensure the accuracy and legality of the information you retrieve. Additionally, always prioritize privacy and data protection when handling sensitive vehicle information.