HowToo - AI Master Mechanic

Learn how to fix, troubleshoot or upgrade any part on any vehicle!

High quality repair information should be free, now it is. We built Orion, a master mechanic in your pocket. Ask a question like “How do I replace my alternator?” and Orion returns exact, trim-specific steps with the right tools, torque specs, step-by-step videos and safety notes. Order the parts in the same flow with guaranteed fit.

What you can do:
• Get instant vehicle information like how your features work, vehicle specs or maintenance procedures
• Get step-by-step repair procedures that match your exact year, make, model, trim, and engine
• See required tools, torque specs, fluids, capacities, and cautions before you start
• Watch the top video references without leaving the app
• Buy from a marketplace of 1M+ OEM and premium aftermarket parts mapped to your vehicle
• Guaranteed-fit parts, easy returns, and fast 2 day delivery on most items
• Save money with DIY cost vs shop estimates for each job

How it works:

Select your vehicle.

Ask anything: repairs, maintenance intervals, sizes, capacities, or what part you need.

Follow clear steps with visuals, tool list, and torque specs.

Add the exact parts to cart and check out.

Why HowToo:
• Accuracy first: procedures and fitment are vehicle-specific
• Confidence: no generic steps, no guessing
• Convenience: guidance, videos, and parts in one place

Popular jobs:
• Brake pads and rotors
• Battery, alternator, and belt service
• Plugs, coils, filters, and fluids
• Wiper blades and cabin filter
• Suspension and wheel bearings

Support
Questions or feedback? Visit our Help Center at howtoo.com or contact support through the app.