![]() Just open the hood, let the engine cool (I repeat, let. If you’re a DIY person like me, you can check the coolant level yourself. Unfortunately, it’s more likely that your vehicle has a cooling system leak. In cooler temperatures, coolant will contract, so your best solution might be to simply top off the reservoir. Even if the level has only dropped a little, it could still trigger the sensor, depending on the vehicle. It’s likely that your coolant level is low. This is also not an emergency situation… yet. You should set an appointment with your shop to see why your vehicle isn’t reaching operating temperature. If you’re still seeing blue after driving for several miles, you’re either driving through the Arctic or you have a problem. Once the vehicle is warmed up this light should go out. So don’t push it too hard when you first get in to drive.ĭoing so can result in rough wear and tear on the engine. This means your engine isn’t at operating temperature. Now might be a good time to blow the dust off that owner’s manual and get familiar with what your vehicle’s indicator lamp looks like. ![]() ![]() If you know what the colors mean, you’ll know where to start looking for the root of the problem. Some manufacturers now just use an indicator lamp that illuminates either blue, yellow, or red depending on the state of your cooling system.įor the cooling system, each color and shape of the indicator light determines a different problem or warning. The only difference is that most of us don’t feel a sense of holiday joy when our dashboard is lit up like Clark Griswold’s house.Ī lot of newer vehicles don’t come equipped with a temperature gauge on the dash. And all of those Christmas lights reminded me of the multi-colored lights that can show up on your dash. We’ve just made it through the holiday season. What Causes the Coolant Light to Come on, Even in Cold Weather?Īnswer: It depends on the color of the cooling system light and the kind of vehicle you’re driving. ![]()
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