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If it won't start, then you should first check the battery, and if that's not the problem, then move up the starting/charging system: starter solenoid, starter, alternator, etc.
That's bad news. Intake manifolds are expensive. That quote sounds a bit high. Did you check the estimator on RepairPal? When windows are down and don't go up, that's normally because the Door Window Regulator is broken and needs to be replaced. You can also look up the cost of this repair on RepairPal.
Am not sure about Hybrid specialists. We've heard good things about this Glendale shop: http://repairpal.com/nash-auto-services You may also want to lob a call to Luscious Garage in San Francisco--they are serious Hybrid specialists and may just happen to know someone down your way.
I had a similar problem in a Mercedes, and it was the turn signal module, which had to be replaced.
Stop going to Midas. They clearly have no idea what is wrong. A competent diagnostic tech should be able to pull the codes and get to the bottom of this. Don't pay someone to keep replacing parts.
This is an involved, complex job--I'm pretty sure you have to take the timing cover off to do this. You'll want detailed diagrams and instructions. Try an online repair manual like Mitchell1 offers: http://bit.ly/mitchell_repair_manuals_online
This sounds to me like it may be a worn belt. That's be the first thing to check.
I don't understand. Is this a question?
For specific instructions, you'll need a repair manual with detailed diagramming and instructions. This is one of the more flexible options: http://bit.ly/mitchell_repair_manuals_online
You can find the component locations using a repair manual, and they are cheap online: http://bit.ly/mitchell_repair_manuals_online You may want to call a quality independent in your area and get a quote from them. That may be as cheap and will be much easier than doing this yourself.