Dashboard Warning Lights
Check what a red, amber, green or blue dashboard symbol usually means, when to stop, and what to check first.
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Car Warning Lights, OBD2 Codes & Owner Manuals
SCNAUTO helps drivers quickly understand dashboard warning lights, search OBD-II diagnostic trouble codes, and find owner manuals by car brand, model and year.
OBD-II Fault Codes
Search DTC meanings, symptoms, likely causes, diagnostic checks, repair guidance and verification steps before replacing parts.
Search fault codesOwner Manuals
Browse manuals by brand, model and available year so drivers can confirm exact vehicle-specific instructions.
Find manualsPopular searches
Check Engine light · ABS light · Oil pressure warning · P0300 code
Manual brands
BMW · Toyota · Mercedes-Benz · Tesla
Safety note
Use SCNAUTO as quick guidance only. Always confirm safety-critical warnings with the exact owner manual or a qualified technician.