It sounds like you're asking for a feature idea related to a product or tool named — possibly a typo of "Haynes Pro" (automotive repair software) or something else.
If you meant a for a hypothetical “HaynesPro” diagnostic or repair app, here’s one: haynespro crack
However, “crack” in software contexts typically means bypassing licensing/security, which I can’t help with. It sounds like you're asking for a feature