How to Check Oil in Your Car
A simple, step-by-step guide every driver should know
Checking your engine oil is one of the easiest and most important maintenance tasks you can do. Clean, properly filled oil keeps your engine lubricated, reduces friction, prevents overheating, and extends the life of your vehicle.
The good news is that checking your oil takes less than five minutes.
Why Checking Your Oil Matters
Engine oil:
Lubricates moving parts
Reduces heat and friction
Prevents sludge buildup
Protects against premature engine wear
Low or dirty oil can lead to poor performance, overheating, and in extreme cases, engine failure. Regular checks help you catch issues before they become expensive repairs.
What You’ll Need
A clean rag or paper towel
Your vehicle parked on level ground
A cool or slightly warm engine
Tip: If the engine was running, wait about 5–10 minutes before checking so the oil can settle back into the oil pan.
Step-by-Step: How to Check Oil
1. Park on Level Ground
Make sure your car is parked on a flat surface. An uneven surface can give you an inaccurate reading.
Turn the engine off and let it sit for several minutes.
2. Open the Hood
Locate and pull the hood release lever inside the car. Then secure the hood using the hood prop or built-in struts.
3. Locate the Dipstick
Look for a handle that’s usually yellow, orange, or brightly colored. This is the oil dipstick.
Pull it straight out.
4. Wipe It Clean
Use your rag or paper towel to wipe all the oil off the dipstick.
This gives you a clean baseline reading.
5. Reinsert the Dipstick
Push the dipstick fully back into its tube.
Make sure it’s seated all the way in.
6. Pull It Out Again and Check the Level
Pull the dipstick out a second time and hold it horizontally.
You’ll see oil near the bottom. Most dipsticks have:
Two marks (MIN and MAX)
A cross-hatched area
Two dots
If the oil level is:
Between the marks → You’re good
Below the minimum mark → You need to add oil
At or above the maximum mark → Do not add oil
How To Check Oil’s Condition
While you’re checking the level, also look at the oil’s appearance.
Healthy oil should be:
Amber or light brown
Smooth and somewhat transparent
If it looks:
Very dark and thick
Gritty
Milky or foamy
You may need an oil change or further inspection.
How Often Should You Check Oil?
A good rule of thumb is:
Once a month
Before long road trips
If your oil warning light comes on
Even if you follow your oil change schedule, regular checks help you catch leaks or excessive oil consumption early.
When to Add Oil
If the oil is below the minimum mark:
Remove the oil fill cap (usually labeled with an oil can symbol).
Add the correct type of oil for your vehicle.
Add a little at a time.
Recheck with the dipstick.
Important: Always use the oil grade recommended in your owner’s manual.
Signs You Might Have an Oil Problem
Oil warning light on the dashboard
Engine knocking or ticking sounds
Burning oil smell
Smoke from the exhaust
Frequent need to top off oil
If you notice these signs, schedule a professional inspection as soon as possible.
Final Thoughts
Knowing how to check oil is a basic but powerful way to protect your engine and avoid costly repairs. It takes just a few minutes and can save you thousands of dollars in the long run.
Regular oil checks mean better performance, better fuel efficiency, and a longer-lasting engine.
If you’re unsure about what you see or how much oil to add, it’s always smart to consult a professional technician for guidance.
Your engine will thank you.