California Driver License (DMV) Written Practice Test

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Ace your California DMV written test! Prepare for the exam by practicing hundreds of multiple-choice questions covering traffic laws and road signs. Boost your knowledge, gain confidence, and increase your chances of passing the test on your first try.

Each practice test/flash card set has 50 randomly selected questions from a bank of over 500. You'll get a new set of questions each time!

Practice this question and more.


When towing a trailer, you should:

  1. Signal at least 200 feet before turning

  2. Increase your following distance

  3. Turn sharply

  4. Drive in the right lane

The correct answer is: Increase your following distance

When towing a trailer, you should increase your following distance to allow for the extra weight and potential longer braking distance. Option A, signaling at least 200 feet before turning, is a good driving practice in general, but it is not specific to towing a trailer. Option C, turning sharply, is dangerous as it can cause the trailer to sway and potentially lead to an accident. Option D, driving in the right lane, is not incorrect, but it is not the most important consideration for safe towing. In general, the right lane is preferred for towing as it allows for easier merging and slower speeds. However, the most important action to take while towing a trailer is to increase your following distance.