Provides additional exception to prohibition on usage of wireless communication device while driving and clarifies that use for purpose of navigation must be while the device is mounted or otherwise affixed to vehicle and not held in the motorist's hand.

MOTOR AND OTHER VEHICLES -- MISCELLANEOUS RULES - Provides additional exception to prohibition on usage of wireless communication device while driving and clarifies that use for purpose of navigation must be while the device is mounted or otherwise affixed to vehicle and not held in the motorist's hand.