PlainAuto

PlainAuto explains your car — and the shop — in plain language.

Whether you're a driver who wants to understand what that warning light means, or a technician who needs a quick torque spec, PlainAuto has you covered.

CAR OWNER MODE
• Warning Lights — what every dashboard light means, color-coded by urgency
• Emergency Guide — flat tire, dead battery, overheating, fluid leaks, and more
• DIY Repair Guides — step-by-step with tool lists and difficulty ratings
• Maintenance Schedule — know exactly what's due and when
• Cost Estimator — typical repair costs so you're never caught off guard
• Mechanic Visit Prep — questions to ask, upsells to decline, your rights
• Service History Log — track all maintenance, repairs, and costs over time
• Seasonal Prep — winterizing, summer prep, pre-road-trip checklists
• Fluids Guide — engine oil, coolant, brake fluid, transmission, and more
• Buying & Selling Guide — pre-purchase inspection, trade-in, private sale tips

MECHANIC / TECH MODE
• OBD-II Code Library — 500+ codes with plain-language causes and fixes
• Torque Spec Database — lug nuts, head bolts, drain plugs, suspension, and more
• Repair Procedures — step-by-step with special tools and time estimates
• Diagnostic Decision Trees — symptom-based troubleshooting sequences
• Wiring Color Codes — by manufacturer (GM, Ford, Toyota, Honda, Chrysler)
• Customer Explainer Cards — shareable cards that explain repairs in plain terms
• Labor Time Estimator — standard labor times for common repairs
• Parts Cross-Reference — cross-references across major brands
• Fluid Capacities — by make, model, and year

WORKS OFFLINE. No account required. No data collected.