Question When driving, a driver should: Answers Not be concerned with what is happening on the right side of their vehicle. Be concerned with what is happening on all sides of their vehicle. Not be concerned with what is happening behind their vehicle. Not be concerned with what is happening in front of their vehicle. Explanation It is essential for a CMV driver to be aware of what is happening on all sides of their vehicle. This questions appears in the following tests: Indiana Class B Knowledge Test