Learn how to check every critical fluid on your 2018 Toyota RAV4. Step-by-step checks for engine oil, coolant, brake, transmission, and power steering.

Learn how to spot and fix the most common engine oil problems—low oil level, leaks, and using the wrong oil—before they turn into expensive engine damage.

If your temperature gauge is climbing or steam is coming from under the hood, your engine is overheating. Learn the most common causes, simple checks you can do safely, and how to prevent serious damage.

Transmission overheating is one of the fastest ways to destroy an automatic or CVT. Learn the real causes, warning signs, DIY checks, repair options, and how to keep transmission temperatures under control before you face a multi-thousand-dollar rebuild.

Check engine light on? Learn what it really means, how to tell if it’s safe to keep driving, the most common causes, and step‑by‑step diagnosis and repair strategies—whether you’re using a basic OBD2 scanner at home or heading to a shop.

Hearing clunking, creaking, or whining when you turn the steering wheel? Learn the most common causes of steering noises, how to diagnose them at home, and what it typically costs to fix them before they turn into a dangerous steering or suspension failure.