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Vehicle Fuels and Fluids
How to Check and Add Oil to a Car Download Article Learn to quickly read your vehicle's dipstick and add more engine oil Co-authored by Tom Eisenberg and Mason Martinez, BA
Last Updated: July 7, 2025 Fact Checked
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Checking the Oil Level
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Adding Engine Oil
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When should you check your oil?
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This article was co-authored by Tom Eisenberg and by wikiHow staff writer, Mason Martinez, BA. Tom Eisenberg is the Owner and General Manager of West Coast Tires & Service in Los Angeles, California, a family-owned AAA-approved and certified auto shop. Tom has over 10 years of experience in the auto industry. Modern Tire Dealer Magazine voted his shop one of the Best 10 Operations in the Country. This article has been fact-checked, ensuring the accuracy of any cited facts and confirming the authority of its sources. This article has been viewed 368,083 times.
Checking the oil level in your car is essential to maintaining its life. It's one of the most straightforward bits of regular maintenance, especially before long trips involving heavy engine use. With this guide, learn to locate and read the dipstick and check your engine's oil level in a few easy steps.
Reading the Oil Level on a Dipstick
When the engine is cool, open the hood and locate the dipstick next to the engine block. Pull the dipstick out and wipe it off. Reinsert the dipstick, then pull it out again. Check where the oil lands on the dipstick—it should be between the two holes or lines that indicate the minimum and maximum fill amounts.
Steps
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How to Check Engine Oil
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1 Park the car on a level surface, let it cool, and open the hood. Find a relatively flat surface to park and check your oil for an accurate reading. Pull or push the latch at the foot of the driver-side door. Then, exit the car and lift the latch at the center (or slightly off-centered) to raise the hood.
Most manufacturers recommend allowing the car to cool down before inspecting the oil. In contrast, others suggest waiting five minutes after turning off the car. Refer to your owner's manual for your vehicle's recommended procedure.
On some cars, the hood will stay up, while on others, it will require a prop rod, usually folded up on the front or side of the engine compartment. Lift this support into place (there will be an opening on the hood to insert it) and let go of the hood.
2 Locate and remove the dipstick next to the engine block. On most cars, the oil dipstick will have a red, orange, or yellow handle with a circular or rectangular shape. Oil dipsticks are typically located towards the passenger side or near the front. Slowly pull the dipstick out from the holder.[1]XResearch source
You shouldn't have to pull very hard or twist on most oil dipsticks, but you might have to use some strength to get it free.
The dipstick may point directly from the top of the valve cover on Hondas and some Fords.
Most automatic transmission vehicles will have two dipsticks under the hood, one for oil and one for transmission fluid. Transmission dipsticks are located near the rear of the engine bay or towards the driver's side inside a slightly larger tube.
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3 Wipe the oil off, reinsert the dipstick, then pull it out again. The first time you pull the dipstick out, it won't give you the most accurate reading. Wipe it off with a paper towel or rag, then put it back in the holder. Pull it back out to get a good reading on the amount of oil.[2]XResearch source
4 Check where the oil falls on the dipstick. There will be two small dots, lines, or markings on the end of most dipsticks; one corresponds to the maximum fill line in the oil pan, and the other refers to the minimum. The minimum dot is close to the tip; the maximum is about an inch above it. The oil should fall between these two markings.
If the oil line on the dipstick is below the minimum marking, add oil to the car.
If the oil line is above the maximum fill point, you may need to drain some oil from your car.
5 Look for a yellow or amber oil color. The color and the consistency of engine oil indicates its age and quality. Engine oil in good condition is golden or amber—nor super dark or dirty.
Oil will change in color from golden or amber colored to brown and black as more and more particulate gets in the oil from the engine. If the color is brown or black, it's likely a sign that your oil needs to be changed. Take the car to be serviced, or change the oil yourself.
Metal filings and particulate indicate a problem with your engine. If you see metal shavings or pieces in your oil, see a mechanic for diagnostics and repairs.
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1 Locate the oil cap located on top of the engine. Often, oil caps are labeled "Oil Fill" and sometimes note the grade of engine oil your vehicle requires. Remove the cap, wipe it off with a paper towel, and insert a clean funnel into the opening.[3]XResearch source
For example, an oil cap marked “5w30” indicates that’s the oil required.
2 Add oil in small increments. Allow time for the oil to drain into the oil pan, and add oil to your car approximately one quart at a time. It should fill up the funnel quickly and then glug down slowly. Avoid overfilling the funnel.[4]XResearch source
If you spill some oil on the engine compartment, don't panic. Spilled oil isn't super dangerous, though it will smell bad and may cause some smoke. Try to wipe it up as best you can with a rag or paper towel.
3 Recheck the oil level and fasten the cap. Remove the dipstick and check the level. Repeat this process until the oil reaches the maximum fill line. Wipe the dipstick off after each read. Once you have finished, double-check that the dipstick is fully seated and the oil fill cap is secure. Remove any rags, paper towels, or oil bottles. Lower the hood prop and close the hood.
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When should you check your oil?
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Check your oil after every 1,000 miles or every 3-4 fill-ups. Staying on top of your engine's oil ensures all the engine's moving parts are properly lubricated to keep your vehicle running efficiently. Failure to top off your engine oil can cause serious damage. Auto specialists recommend checking your oil levels once a month, every 1,000 miles, or 3-4 fill-ups at the gas station.
Low oil can cause the engine to overheat, leading to potential breakdowns or failure.
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Question When should I add oil to my car? Tom Eisenberg Auto Technician Tom Eisenberg is the Owner and General Manager of West Coast Tires & Service in Los Angeles, California, a family-owned AAA-approved and certified auto shop. Tom has over 10 years of experience in the auto industry. Modern Tire Dealer Magazine voted his shop one of the Best 10 Operations in the Country. Tom Eisenberg Auto Technician Expert Answer If your car takes conventional oil, you should get the oil changed every 3,500 to 5,000 miles. For synthetic oil, you should get it changed every 7,500 to 10,000 miles. Thanks! We're glad this was helpful.Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 11 Helpful 9
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Warnings
Don't over-fill your oil either. If you add too much oil, it will foam up when it hits the crankshaft, and it will cause engine performance issues. Thanks Helpful 17 Not Helpful 9
If the oil level is under the minimum fill line, you can risk serious damage to your engine. Thanks Helpful 2 Not Helpful 0
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Co-authored by: Tom Eisenberg Auto Technician This article was co-authored by Tom Eisenberg and by wikiHow staff writer, Mason Martinez, BA. Tom Eisenberg is the Owner and General Manager of West Coast Tires & Service in Los Angeles, California, a family-owned AAA-approved and certified auto shop. Tom has over 10 years of experience in the auto industry. Modern Tire Dealer Magazine voted his shop one of the Best 10 Operations in the Country. This article has been viewed 368,083 times. 19 votes - 94% Co-authors: 16Updated: July 7, 2025 Views: 368,083 Categories: Vehicle Fuels and FluidsArticle SummaryX
To check the oil level in your car, first make sure you're parked on a flat area and the engine is off and cool. Then, pop the hood and locate the dipstick, which is a long rod with a ring on the end of it that's usually found near the front of the engine block. The oil dipstick is almost always yellow and it often says “Engine Oil” on top. Slide your finger inside the ring on the end of the dipstick and slowly pull it out. Use a rag or paper towel to wipe off all of the oil on the end of the dipstick. Then, slide the rod back into the opening you pulled it from. Push the rod all the way down and slowly remove it again. Now, inspect the dots at the end of the rod to see how high the oil reached. If the oil is above the bottom dot, your car's oil level is fine. If the oil is at or below the bottom dot, your car will need an additional 1 quart (950 mL) of motor oil. To learn more from our Mechanic co-author, like how to add more oil to your car if you need it, keep reading!Did this summary help you?YesNo
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"Just bought a second-hand run-about (Suzuki Every Wagon) for use in Philippines. No manual, and online manual in Japanese. Very helpful article and informative. Thanks."..." more
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"Just bought a second-hand run-about (Suzuki Every Wagon) for use in Philippines. No manual, and online manual in Japanese. Very helpful article and informative. Thanks."..." more
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Jun 28, 2017
"It clarified the process, especially if you should check it when the engine is cold or hot. Thank you."
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Download Article Learn to quickly read your vehicle's dipstick and add more engine oil Co-authored by Tom Eisenberg and Mason Martinez, BA 
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Co-authored by: Tom Eisenberg Auto Technician This article was co-authored by Tom Eisenberg and by wikiHow staff writer, Mason Martinez, BA. Tom Eisenberg is the Owner and General Manager of West Coast Tires & Service in Los Angeles, California, a family-owned AAA-approved and certified auto shop. Tom has over 10 years of experience in the auto industry. Modern Tire Dealer Magazine voted his shop one of the Best 10 Operations in the Country. This article has been viewed 368,083 times. 19 votes - 94% Co-authors: 16 Updated: July 7, 2025 Views: 368,083 Categories: Vehicle Fuels and Fluids Article SummaryX
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1 Park the car on a level surface, let it cool, and open the hood. Find a relatively flat surface to park and check your oil for an accurate reading. Pull or push the latch at the foot of the driver-side door. Then, exit the car and lift the latch at the center (or slightly off-centered) to raise the hood. 
5 Look for a yellow or amber oil color. The color and the consistency of engine oil indicates its age and quality. Engine oil in good condition is golden or amber—nor super dark or dirty. 
Tom Eisenberg Auto Technician Tom Eisenberg is the Owner and General Manager of West Coast Tires & Service in Los Angeles, California, a family-owned AAA-approved and certified auto shop. Tom has over 10 years of experience in the auto industry. Modern Tire Dealer Magazine voted his shop one of the Best 10 Operations in the Country.