Last updated: October 2026. Please read this page before following any guide on FirstCarCare.
We are not certified mechanics
FirstCarCare publishes beginner-friendly educational guides about car care. Our writers are not certified mechanics, automotive engineers, or representatives of any car manufacturer. Our guides explain common maintenance tasks in plain language, but they cannot replace the judgment of a qualified professional who can see and inspect your specific vehicle.
Working on cars involves real physical risk
Car maintenance can be dangerous. Burns, cuts, electric shocks, crushed limbs, and eye injuries are all real possibilities when working on a vehicle. Take at least these precautions:
- Never work under a car supported only by a jack. Always use rated jack stands on solid, level ground, and chock the wheels.
- Let the engine cool before touching anything under the hood — coolant, oil, and metal parts can cause severe burns.
- Disconnect the battery (negative terminal first) before working on electrical components, and wear eye protection.
- Wear gloves and eye protection when handling fluids, batteries, or sharp components.
- Work in a ventilated area — exhaust fumes and chemical vapors are harmful.
- Know when to stop. If a bolt won’t budge, a warning light returns after a fix, or anything involves brakes, steering, airbags, fuel lines, or high-voltage hybrid/EV systems — stop and take the car to a qualified mechanic. Saving money is never worth risking your safety.
Costs and prices vary
Where our guides mention typical cost ranges for parts or repairs, these are rough estimates for orientation only. Actual prices vary widely by vehicle make and model, your region, parts brand, and labor rates. Always get a written quote from a local shop before authorizing work.
No warranty on accuracy
We work hard to keep our guides accurate and up to date, but cars, procedures, and manufacturer recommendations change. We make no warranty — express or implied — that any guide is complete, current, or suitable for your specific vehicle. Always cross-check critical steps (torque specs, fluid types, jacking points) against your owner’s manual.
External links
Our guides link to third-party websites for reference. We do not control those sites and are not responsible for their content or accuracy.
Your owner’s manual comes first
Every vehicle is different. Your owner’s manual is the authoritative source for your specific car — its fluid specifications, torque settings, jacking points, fuse layouts, and maintenance schedule. If anything in our guides conflicts with your manual, follow the manual. If you don’t have a manual, most manufacturers offer free PDF versions on their websites.
Tire changes and roadside work
Changing a tire by the roadside carries its own risks: passing traffic, soft or sloped ground, and incorrect lug-nut torque. Pull fully off the road, turn on hazard lights, use the parking brake, and place the spare, jack, and tools where they cannot roll into traffic. If you feel unsafe for any reason, call roadside assistance instead — that is what it is for.
Used and aftermarket parts
Some guides mention replacing parts yourself. Be aware that used, refurbished, or cheap aftermarket parts vary in quality and may not meet your vehicle’s original specifications — especially for safety-critical components like brakes, tires, and suspension. When in doubt, buy reputable brands and have safety-critical work inspected by a professional.
Advertising and affiliate disclosure
FirstCarCare is reader-supported through advertising (including Google AdSense) and occasional affiliate links. If you buy through an affiliate link, we may earn a commission at no extra cost to you. Advertising and affiliate relationships never dictate what we write — our recommendations are based on what is genuinely useful for beginners.
Contact
Spotted an error in a guide or have a safety concern about something we wrote? Tell us immediately through our contact page — we take corrections seriously.