One problem related to headlights turn off while driving has been reported for the 2012 Subaru Legacy. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2012 Subaru Legacy based on all problems reported for the 2012 Legacy.
Vehicle has an electrical failure that causes the dash check engine, brake, cruise and other lights to activate. While driving, the failure causes: one or both headlights to suddenly fail making the vehicle illegal and dangerous to drive at night, cruise control to suddenly fail, and stability control to become non-functional. The main failure being the headlights/daytime running lights could cause injury or death due to sudden lack of visibility at night. Subaru was unable to diagnose/fix the failure on 2 service occasions. This failure occurs without warning while the vehicle is in motion at both highway speeds and city street speeds. The component causing the failure is unknown.
| Electrical System problems | |
| Headlights Turn Off While Driving problems |