Ensure the SRT is synced to the 23.976 fps (standard for El Camino ).
Help you if the audio is out of sync?
Identifiers like (JESSE) or [Jesse] should be consistent. subtitle Original Netflix Subtitle SRT !El.Cami...
If this is a "Subtitles for the Deaf and Hard of Hearing" (SDH) file, verify: Ensure the SRT is synced to the 23
The file must be saved in UTF-8 format to prevent "broken" characters (especially for Spanish accents or special symbols). subtitle Original Netflix Subtitle SRT !El.Cami...