Question

which of these is the proper way to change lanes? signal, check your mirrors, and then change lanes signal, check your mirrors, and look over your shoulder before you change lanes signal before you change lanes and then move over quickly check your mirrors, signal, accelerate and change lanes

Explanation:

When changing lanes, signaling alerts other drivers. Checking mirrors gives an initial view of surroundings. Looking over the shoulder helps detect vehicles in the blind - spot, which mirrors might miss. This comprehensive approach ensures safety.

Answer:

Signal, check your mirrors, and look over your shoulder before you change lanes.