Urgent Need: Support for Car Repairs

Hello my wife and I have two vehicles, one is a Hybrid and last week the hybrid system started to shut down while driving and I had to put the car in the shop. I've already paid the mechanic to fix one thing on the car and it turned out to not be the problem and that was all of our savings. Today the water pump went out on our second vehicle while the car was idling and un occupied and the engine overheated and fried the motor. We have four kids, one of them being 9 months old. We currently have no way for them to get to the doctor's appointments or for us to even get to work. This is totally unlike anything I would ever do but I am in dire need of help. Thank you.