One problem related to battery cable has been reported for the 1996 Buick Lesabre. The most recently reported issues are listed below.
While driving down the road steering wheel vibrated violently. Also, bolts that hold rack and pinion steering broke. Took vehicle to local mechanic told consumer it appeared vehicle was too overtorqued from the factory. Both front tires were inspected and found worn on side edges. 2 bolts that hold the rack to the frame on the left hand side, one bolt had broken off. Battery was leaking and caused corrosion in the positive battery cable connecter, dealer had to remove all cable insulation and replace positive cable bolt and battery, leak caused vehicle not to start.