Table 1 shows eleven common electrical system related problems of the 2006 Toyota Prius. The number one most common problem is related to the electrical system (124 problems). The second most common problem is related to the headlights turn off while driving (nine problems).
The light up display for the odometer, fuel gauge, and speedometer does not always light up. When it is not lit, the cruise control and any warning and informative alarms/lights also do not work. This is a well-known issue among owners of these cars, related to the capacitors on the circuit board Read details...
Headlights constantly go out. Research online proves Prius vehicles with hid bulb systems have ballast issues causing constant blowing of either bulbs or ballast failure. Not only is safety constantly compromised, but it is illegal when a headlight goes out driving down the road. Read details...
The water pump went out causing the hybrid battery to die. Pressing the break is supposed to recharge the battery but the battery is now completely gone Read details...