
Introduction to reading the oil dipstick on a : When checking the car's oil dipstick, the vehicle should be parked on a level surface. Generally, as long as the oil level is between the upper and lower limits, it is considered normal. If the oil level exceeds the upper limit, it can increase the resistance of the engine crankshaft and lead to more carbon deposits. Conversely, if the oil level is below the lower limit, it can cause engine cylinder scuffing or bearing damage. Below are some precautions for oil usage: 1. Do not mix old and new oil. Old oil contains a large amount of oxidative substances, and mixing it with new oil will accelerate the oxidation and deterioration of the new oil, reducing its effectiveness and lifespan. 2. Do not mix oils of different brands or grades. Since different brands and grades of oil contain different chemical additives, these additives can sometimes react with each other, reducing lubrication effectiveness and producing acidic or alkaline compounds that accelerate corrosion of engine components. Mixing two types of lubricating oil can result in stratification, turbidity, and deterioration of cleaning performance.

Last time I helped my neighbor check the oil level in his Tiguan, I realized there's quite a technique to using the dipstick correctly. You must park the car on level ground and wait 10 minutes after turning off the engine to allow the oil to drain back. Pull out the dipstick, wipe it clean with a cloth, then fully reinsert it before pulling it out again to check the level. The oil mark should be between the MIN and MAX lines, ideally around the upper two-thirds position. If you notice the oil level is unusually high right after an oil change, it might mean the old oil wasn't fully drained. If it's below MIN accompanied by blue exhaust smoke, it's likely burning oil. Remember that older VW models with mechanical dipsticks require checking both sides of the stick, while newer models with electronic oil level indicators can display the reading on the infotainment screen - no more bending over or getting your hands dirty.

My 8-year-old Golf has made checking the oil a monthly habit. When the engine is cold, pulling the orange ring makes the brass-colored dipstick stand out clearly. Focus on the oil film level in the end grid section, avoiding misjudgment from residual oil on the sides. In summer, the oil level should reach exactly the MAX line, while in winter you can add an extra half centimeter. Last year when the warning light came on, a measurement showed it was 1 cm below the minimum—turned out the oil pan gasket had aged. The mechanic later advised that turbocharged (T) models should keep a spare oil bottle in the trunk, with self-checks every 5,000 kilometers for optimal safety.

Last time at the repair shop, I learned a trick: when pulling out the dipstick on a , it must be straight up vertically – tilting it might scrape the guide tube. New models like the Passat make it even easier: just press the CAR button to access the infotainment menu and select 'Engine Oil Level,' then wait two minutes for the system to calculate automatically. However, electronic detection has its limits. If the oil pan has been damaged or if an aftermarket oil sensor was installed, you still need to verify with the manual dipstick. I remember once helping a female colleague check her car – she mistakenly poured oil into the coolant reservoir instead of the oil filler, causing quite a mess.

Attention owners, make sure you're checking the correct dipstick for engine oil. Look for the yellow-ringed handle with the oil symbol in the engine bay – don't accidentally pull out the transmission fluid dipstick. Oil temperature is crucial; I find measurements around 60°C most accurate as cold readings tend to be higher. Engines like the EA888 are particularly thirsty for oil – my cousin's CC needs a 0.5-liter top-up every 3,000 km. Pro tip: After an oil change, let the engine run for a few minutes before shutting it off to measure, ensuring proper oil circulation.


