We were tracked by a alien craft.

My friend, cousin & I were students on our way to visit friends. There were no street lights in the country & a tall, long row of pine trees on our left side. Someone noticed a craft to our immediate left flying low over the trees. It was closely pacing our car. We were feeling scared , vulnerable & kept driving north. The craft was round with a dome. There were rotating lights around the middle & it was silent. The lights had 3 colors, not sure which ones.
It seemed they might be analyzing us. After 5 or 10 minutes, it made a sudden 45 degree angle & shot instantly into the sky. With relief, we turned around & headed back to campus. You can't un see an alien craft up close . This subject has been of keen interest all these years.