Defrost / Defog
Lights & Visibility
Informational: the windshield and/or rear window defroster is on (green on the dashboard). Used to clear fog or frost.
Quick answer
No action needed — this light is informational only.
Defrost / Defog on your specific vehicle
Select your make, model, and year for a guide tailored to your car.
Covers Toyota, Honda, Ford, Chevrolet, Nissan, Hyundai, Jeep and popular models 2015–2024.
What does this warning light look like?
The defrost / defog appears in your instrument cluster or dashboard. It's sometimes described as: defrost, defog, windshield defrost, rear defrost, heated rear window.
Commonly searched phrases
People often search for: defrost light • rear defrost light • windshield defrost indicator • defog light car
Common causes
Causes vary by vehicle and driving conditions. A professional diagnostic scan or inspection is the best way to identify the exact cause.
Can I keep driving?
Yes — no action required. Informational only.
What to do
Turn off when the glass is clear to save energy. Rear defrost may turn off automatically after a few minutes.
Estimated repair cost
$0–$300
Exact cost depends on the cause, your vehicle, and labor rates in your area.
Frequently asked questions
- What does the Defrost / Defog mean?
- Informational: the windshield and/or rear window defroster is on (green on the dashboard). Used to clear fog or frost.
- Can I drive with the Defrost / Defog on?
- Yes — no action required. Informational only.
- What should I do if I see the Defrost / Defog?
- Turn off when the glass is clear to save energy. Rear defrost may turn off automatically after a few minutes.
- How much does it cost to fix the Defrost / Defog?
- Repair costs typically range from $0–$300. The exact cost depends on the cause and your vehicle.
Other Lights & Visibility lights
You might also see these dashboard symbols in the same category: