Table 1 shows eleven common electrical system related problems of the 2009 Toyota Prius. The number one most common problem is related to the electrical system (37 problems). The second most common problem is related to the headlights turn off while driving (four problems).
Breaking system failure do to asb actuator, breaks are locking and vehicle is engine braking. Read details...
Right headlight intermittently goes out. Sometimes turning headlights off and back on brings the headlight back on. The headlight usually does not turn on when the car is started up. Read details...
Headlights go off without warning, sometimes left, sometimes right, sometimes both. Inconsistent and notice only at night. Can't fix and can't find solution. Headlights don't need to be replaced - there is something wrong with car wiring or other. Read details...