Avoid needing to make sudden lane changes by: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question Avoid needing to make sudden lane changes by: Answers Using your horn to encourage other drivers to move out of your lane. Only driving slower than the posted speed limit. Watching the road ahead while driving. Explanation Making a sudden lane change can be dangerous when driving a combination vehicle. Avoid the need to make a sudden lane change by looking down the road for upcoming obstacles that will require you to change lanes. This questions appears in the following tests: California Combination