1996 Buick Riviera Owner's Manual - Page 189
1996 Buick Riviera Manual
Page 189 highlights
Weight of' Trailer Tongue the The tongue load(A) of any traileris an important weight to meashre because affects the total capacity.it weight of your vehicle. The capaGity weight inclndii @e curb weightof the vehicle, my cargo you may carry in it, and the people who wiIl riding in the vehicle. And be if you will tow a trailer, you must subtract the tongue load from your vehicle's capacity weight because your See vehicle will be carrying that weight, too. "Loading Index ,formore informatiQn about Your Vehicle'' in the your vehicle's maximum load capacity. .' A B 4-32 -