Starting difficulties may develop, mostly noted if the car has been parked for several days. Toyota has changed the 12v battery size specification to help correct this concern. Our technicians tell us the battery tray will need to be replaced to accommodate the larger battery
Problems for specific Toyota Prius years:
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Most reported 2011 Toyota Prius problems
critter got into the car possibly through the outside air intake and has died somewhere in the vehicle. Toyota took the interior apart looking for the dead critter with no luck. I need to have them take the dash apart and check where the air intake is.
Problem has not been fixed. Wrote to Toyota in CA and two dealers that have serviced the car. Only received an acknowledgement from Toyota in CA that they received my letter.