A Car ended up slamming into a tree in a northern Clarion County incident.     However, the driver of the car involved, Diane Zabrowski of the Fryburg area, escaped injury in the incident.     The Zabrowski vehicle had been traveling on Route 208, west of Sunny Road, in Washington Township.     Zabrowski told the State Police that another oncoing vehicle forced her car to sweve onto a patch of ice, where she lost control.     The Zabrowski vehicle veered off of the road, first going up an enbankment and finally hit the tree.