If the product page says it supports a brand, does it mean all models are supported?

Not necessarily. Supporting a brand does not mean supporting all models, all years and all functions of that brand. For example: Diagnostic support does not mean programming support; Key adding support does not mean all keys lost support; OBD support does not mean all vehicles can be done via OBD; ECU read/write support does not mean all ECU models are supported. We recommend contacting us before purchase to confirm your exact vehicle and required function.