An Act amending Title 75 (Vehicles) of the Pennsylvania Consolidated Statutes, in financial responsibility, further providing for definitions, for request for lower limits of coverage, for coverages in excess of required amounts, for stacking of uninsured and underinsured benefits and option to waive, for notice of available benefits and limits and for availability of uninsured, underinsured, bodily injury liability and property damage coverages and mandatory deductibles.