Usually, a good way to handle tailgaters is to:

The best way to handle a tailgater is to get them in front of you. If you can do so safely, change lanes and let them pass. Speeding up may only increase the danger by causing them to continue tailgating you at a higher speed.

• Change lanes and let them pass.
• Come to a complete stop.
• Speed up to put distance between you and the tailgater.
• Ignore them.