The other hinges should be lubed as well. However the latches (hooks as you call them) should not be the pivots should be. The linkages you refer to are mostly located under the trunk area when the truck as pivoted aft to allow the top to fold.
All linkages should be lubed. Wurth if it is possible to get it in there is the best lubricant for the job because it goes in liquid and turns into a sticky grease which means it will stay for a long time. The best BMW dealership use that product...