What changed after return—and what the scan cannot accuse

Build the baseline before custody

Record vehicle identity, mileage context, warning state, codes and status, readiness, responding modules, adapter and profile provenance, visible condition, and every unavailable channel. Without a departure baseline, the word new becomes speculation.

Report the difference, not the accusation

If a stored condition exists on return but not in the recorded departure coverage, say exactly that. Preserve the time and mileage bounds. Do not label the event abuse, theft, racing, impact, or renter-caused damage without independent authorized evidence.

• Minimize personal tracking.
• Separate vehicle evidence from identity and billing systems.
• Preserve chain of custody and access logs.
• Route safety or high-value manufacturer faults to exact authorized service.

Allow stronger later evidence to change the story

An OEM facility, physical inspection, warranty finding, or authorized event record may later explain the condition. A trustworthy custody platform attaches that evidence and revises the conclusion instead of protecting the first allegation.