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Vehicle Basics Flashcards

6 cards from real TDC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 6 Vehicle Basics flashcards as text

  1. What is the primary function of a vehicle's alternator?

    Answer: To charge the battery and power electrical systems while the engine runs

    The alternator generates electricity to charge the battery and power electrical systems when the engine is running.

  2. How often should engine oil typically be changed for most passenger vehicles?

    Answer: Every 5,000-10,000 km or as specified in the owner's manual

    Most manufacturers recommend oil changes every 5,000-10,000 km.

  3. What does the Check Engine light on the dashboard indicate?

    Answer: The vehicle's onboard diagnostic system has detected a fault

    The Check Engine light indicates that the OBD system has detected a malfunction.

  4. What is the purpose of the vehicle's coolant system?

    Answer: To maintain the engine at its optimal operating temperature

    The coolant system circulates fluid through the engine to absorb excess heat and maintain optimal operating temperature.

  5. What does the term tire tread depth refer to, and why is it important?

    Answer: The depth of grooves in the tire surface that provide grip and channel water

    Tire tread depth refers to the grooves that provide traction and channel water away.

  6. Which dashboard indicator warns of engine overheating?

    Answer: Engine temperature gauge or warning light

    The engine temperature gauge monitors coolant temperature and alerts when the engine is overheating.

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Sources & references

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  1. ltoncr.com — Fees, retake policy, test delivery, eligibility, exam format, renewal, score validity · verified Nov 2026