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BDifficulty 2/5

In a vehicle equipped with ASR and ABS, what is the function of ASR, or traction control?

Correct answer

Limit driven-wheel spin during acceleration.

Limit driven-wheel spin during acceleration, acting on engine torque and/or brakes depending on the system. ABS regulates braking to prevent wheel lock; these are different functions. Stability control may integrate both and act on the vehicle’s path. No assistance guarantees that the vehicle never skids or removes the need to adapt speed to available grip.

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  • Limit driven-wheel spin during acceleration.

  • Guarantee that no wheel ever slips in any situation.

  • Remove the need to adapt speed on a wet bend.

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