Quiz: What is the primary function of a vehicle’s ignition system? July 13, 2025 by Alex Turner What is the primary function of a vehicle’s ignition system? Discover more about Vehicle Engine and Automobile at our home page. A) To ignite the air-fuel mixture in the engine cylinders B) To control the vehicle’s speed and acceleration C) To regulate the engine’s temperature D) To provide power to the vehicle’s electrical components Submit Answer