In the context of modern cars, "flashing" refers to ECU (Engine Control Unit) Tuning.
Privacy-Focused Tracking: Like its counterparts, it is intended to help users proactively manage their digital security after a potential compromise. Status and Technical Details
If you meant the road safety / digital flashing awareness (like headlight flashing to warn of speed cameras), that’s also possible.
: A major cybersecurity database used to check if your personal email or data has been leaked in a data breach. Cyber-flashing/Exhibitionism:
Users often confuse this name with the widely used cybersecurity tool Have I Been Pwned Have I Been Pwned