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Which feature does a start button system add?

  • A.Nothing
  • B.A longer cranking period, which is required because the controller must verify the key before the engine may be started
  • C.Controller managed cranking with automatic release
  • D.A mechanical link to the solenoid, which is operated directly by the button and therefore requires no relay

Answer: C

Pressing the button asks the controller to crank, and it releases the starter automatically once the engine fires. That prevents the driver holding the key against a running engine. Key verification does add a brief delay, which makes the last option partly true. Reading the definition literally, rather than recalling a summary, avoids the usual confusion. The order in which the effects act is what decides the outcome, so it is worth establishing first.

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