I would call 3-1-1 which is a special city services line and could probably tell you where to take it or who might pick it up. You just call 311 tell them what your problem is and they forward you to a line that will help you. You can always call 311 for almost any City problem and I think we would consider this a city problem since you just don't know where to go and that kind of information should be around and you can call a local garage a repair garage and find out what they suggest. Call a major like Pep Boys because they do installation too
Transmission isn't the problem it's the transmission fluid. You could probably find a gas station that would take the fluid. There is a disposal fee though. Nominal. about
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