If a driver is tailgating you, you should:

Question

The best way to deal with a tailgater is to get them ahead of you. If you can do so safely, change lanes and let them pass. Speeding up may only increase the danger by encouraging them to keep tailgating you at a higher speed.

Accepted Answer

Allow them to pass.

Answer

Speed up.

Answer

Prevent them from passing.

Answer

Move to one side of your lane to allow them to share the lane.