You are driving on a slippery road. Which of these statements is true regarding the use of a retarder (engine brake)?

You should turn the retarder off. Section 2.13: When your drive wheels have poor traction, the retarder may cause them to skid. Therefore,

You are driving on a slippery road. Which of these statements is true regarding the use of a retarder (engine brake)?

ANSWER BREAKDOWN
  • A. Incorrect. "Retarders help maintain traction on slippery roads" is not correct. When your drive wheels have poor traction, the retarder may cause them to skid. Therefore, you should turn the retarder off whenever the road is wet, icy, or snow-covered.
  • B. Correct. When your drive wheels have poor traction, the retarder may cause them to skid. Therefore, you should turn the retarder off whenever the road is wet, icy, or snow-covered.
  • C. Incorrect. "You should use a higher setting" is not correct. When your drive wheels have poor traction, the retarder may cause them to skid. Therefore, you should turn the retarder off whenever the road is wet, icy, or snow-covered.
  • D. Incorrect. "Retarders work best on ice" is not correct. When your drive wheels have poor traction, the retarder may cause them to skid. Therefore, you should turn the retarder off whenever the road is wet, icy, or snow-covered.