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.