Comments by "Mike Chiodetti" (@mikechiodetti4482) on "The Car Care Nut" channel.

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  36. Thankyou for doing this. You make it so anyone can understand the components and what they do. My hybrid experience was with the first and second gen Prius. We had an instructor that had us remove the battery packs and inverter/converters from two working Priuses with no problems. We took the covers off the battery packs he explained how to test the individual batteries and how each individual "cell" was 7.2 Volts "at that time." We learned how to clean the corrosion from the straps that connected the cells, what to torque them to after reinstalling them, how the small bolts were special that held the straps to the battery how each cell could be recharged, and even how a little problem came along after a while that caused a fuel mileage problem. Well, cleaning the straps, checking and replacing a bad cell (back then) followed by recharging brought the fuel mileage back to where it was supposed to be. Then the other group with the removed inverter/converter went over that with the instructor and both groups on that Prius reinstalled the inverter/converter, the battery pack and the safety plug. Once that was done, the vehicle had to start and not have any codes! Then we went to lunch. After lunch, we reversed positions and my group got to remove and learn about the inverter/converter by taking it apart, putting it back together and adding the coolant back into the reservoir for that part of the system. The vehicle had to start, not have codes, and we were done for that day. I THOROUGHLY ENJOYED THAT DAY IN THE SHOP WITH THOSE TWO PRIUSES! Several years later, one of our Prius's was in a wreck, I got to change engine coolant hoses, the radiator and other parts. Yes, I removed the inverter/converter, replaced several small coolant hoses under that unit, put it back together and since the Body shop had done their work, I finished the car, got it going and no codes. I learned two things about that car. How to keep the transmission from going into park so the vehicle could be moved around with the engine off and keyfob removed, by removing a relay in the underhood fuse/relay box thanks to Carolyn who worked on Priuses in a different part of California and was a member of iATN like me. The second item was the early hybrids did not like to sit long especially in the Body Shop and sometimes would not start even with a full tank of gas. Seems the float in the tank would sink. A quick tip was to shake the back of the car from side to side and the float would regain its "floatability!" Then it started! Other than a couple small battery changes, I didn't do much maintenance to the other Priuses that were in our City fleet.
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  37. I hope this isn't to long. 2020 RAV4......Base Model. Key goes into ign lock, turn to start, foot on Brake Pedal, off you go. About the ign key and lock......Base Model. When you insert the key all the way, the intank fuel pump is turned on BEFORE the ign switch makes it to the On/Start position. I LIKE THAT. The fuel system is primed BEFORE the engine is cranked. I'll bet that helps the High Pressure Fuel System so there's no air or low pressure in that system. EXCELLENT IDEA! Lane tracing. It's off. Reminds me of being in the flight deck of a C130! It attempts to keep the vehicle moving back and forth in the lane. Police could say, "He's Drunk!" Automated Cruise Control......It's a helpful cruise control that puts the brakes and brake lights on when approaching a slower vehicle. Just put your foot into the gas and change lanes. The car has that great 8 speed automatic......and it uses them all! Great on economy! However. When passing, downshifting happens normally, but when you let up, the trans stays in that lower gear and takes time to upshift! Electric Parking Brake......Base Model. Come to a stop, turn the ign switch one notch to turn off the engine. Now you can put the parking brake on then put the trans into park or Neutral if your unloading passengers. Love that HOLD button! Brakes stay on and so do the brake lights! NICE! When ready to go, put foot on and push Brake Pedal, push HOLD button once and off you go! Simple! Overall IT'S A GREAT CAR! I added Weather Tech floor mats to help keep the car stay cleaner inside. They're well worth the cost. Thank you for this video.
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