Seems to me they owe you for one cracked oil pan. Im sure the dealer cost for a new one is not cheap, but then thats why the quick lube oil places carry insurance.
They cracked it they owe you one. Just my opion
1989 420SEL 105575 miles
1990 Chevrolet E-Cab C-1500
1989 Olds Toranado Trofeo'