ID: #12V484000
MFR: General Motors LLC
Component
EXTERIOR LIGHTING:TURN SIGNAL
What Happened
Your Buick Regal or Chevrolet Malibu has two turn signal bulbs in each front turn signal. If one of these bulbs burns out, it might not be noticeable to the driver, because the other bulb is still working.
Risk if Unfixed
If you're not aware that one of your turn signals isn't working, you could keep driving without realizing it. That means other drivers might not know you're turning, which increases the risk of a crash.
Free Fix
Your dealer will update the software in your vehicle's body control module at no cost to you. This should be done as soon as possible, and you'll be notified when it's ready.