How does a driver safely check engine oil level using the manual dipstick?
Answer and explanation
Correct answer: A. Park on level ground, turn off engine, wait 5 minutes, wipe and reinsert
- Step 1: Dipstick oil level check procedure. Step 2. Vehicle must be on level ground with engine off for several minutes so oil drains into the sump; pull, wipe clean, reinsert fully, and read between MIN and MAX. Answer: Park on level ground, turn off engine, wait 5 minutes, wipe and reinsert. Why not the others: Running engine splashes oil giving false readings; slope gives false readings; unwiped dipstick has smeared oil.
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