The plastic tabs on the connectors are a pain. I've used a heat gun to warm them being careful not to melt any wiring insulation. They will cooperate better without breaking when warmed good. You can use a hair dryer which will take longer but much less likely to have an accident.I have a 2013 sonata with 2.4L GDI. I am having trouble unhooking some cables.
the injector extension, alternator connector, and air compressor connector. I don't want break wire connecting plug