Physical identity / recorded evidence
Hub Decal
One vehicle. One public code. A clear path to the battery’s recorded history.
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Vehicle Placement
A small physical identifier connects the vehicle at the curb to its battery record. It belongs out of the driver’s sightline—not across the windshield.
- Position
- Lower passenger-side corner is the proposed location. Check local windshield rules before fitting.
- Fitment
- The 2.5-inch hex is a design target, not a universal fit. Confirm the glass border and actual wiper sweep.
- Purpose
- Identify the record. The decal itself does not measure battery health or confirm roadworthiness.
Read Passport
Enter an existing public code or paste its HHN passport link. The lookup reads the registry—not the illustration.
Owner identity and full VIN stay private.
Placement Inspector
Decal sits in the lower passenger-side corner of the windshield, inside the frit band edge, away from the driver's view.
Blueprint concept · not an issued credential · check local windshield rules