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Ted Ritter
Ted Ritter, Toyota Master Tech
Category: Toyota
Satisfied Customers: 4222
Experience:  Toyota Master Tech, ASE Certified
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Toyota Prius Hybrid.2003. key was left in days. Battery went

Customer Question

Toyota Prius Hybrid.2003. key was left in for 2 days. Battery went dead jump car it started put in drive foot on brakes hybrid batter working . Now ps light on main light on car with line in it is on. When start up sometimes turns green. warning light on .when in hybrid right side brakes rumbling . ans says need hydraulic fluid got more external system not connected and check engine light comes on not all the time. help
Submitted: 7 months ago.
Category: Toyota
Expert:  Ted Ritter replied 7 months ago.

Hello, thanks for posting

The first thing we need to verify is thre condition of the 12 volt auxiliary battery, it has to be fully charged or close to it, no less than 11.8 volts. These batteries can take quite a while to charge back up. Once the battery is fully charged power the system down by removing the negative cable for about a minute, reconnect and see if thing s return back to normal. If the battery can not be successfully recharged it will need to be replaced.

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