![]() ![]() If you open the cap when the engine is hot, it may spray the hot water on you, causing danger. Plus, the coolant tank also is under high pressure. Use a digital temperature gauge to measure the direct temperature reading.Īlways do it when your vehicle is cold to have an accurate reading, as this fluid expands if the radiator is hot. The second thing you can do in this situation is to check the liquid inside the radiator. Pay attention to it and ensure it goes off in a timely fashion. Keep in mind that it needs more time to turn off in the cold weather as the coolant warms up slower. Give the engine coolant temperature light some time to disappear from the screen content. Increase the vehicle speed gradually and minimize acceleration to prevent your car from wear and tear and have safe driving. You will have trouble with high engine loads and revving since the oil viscosity is unsuitable. When you see the engine coolant light blue, you shouldn’t push too hard on your engine since it is not warm enough. What To Do If Your Blue Temperature Indicator Is On? Having the system inspected by a professional service is highly recommended to avoid severe engine damage. You may also smell antifreeze, but no leak. You may want to think of the leak of antifreeze as a reason.Īny leakage in the fuel tank leads to low antifreeze levels. ![]() It prompts a warning when the blue water light in the car keeps being bright for more than a reasonable period but not due to the faulty thermostat. If the air is warm but not hot as it is supposed to be, it may be time for a diagnosis and replacement. ![]() One way to check the thermostat function is to maximize the heater. This vital component is actually in the cooling system, which manages the fluid before and after being recirculated. Broken Thermostatīlue engine temperature warning lights may happen due to a broken thermostat. If the antifreeze is too cold to complete its job, and the signal persists for over a couple of minutes of driving, it may be time to check the liquid in the radiator and your engine to figure out what exactly is happening to your car. The sign goes off if there’s nothing wrong while reaching the normal operating temperature. The fluid tends to be cold when you just switch on your vehicle, especially on chilly winter mornings.Ī blue coolant light comes on when the car starts, and the antifreeze will warm up as it operates. It’s also a good lubricant for other parts, such as the water pump. The cold engine cools down the temperature of the fluid in your car radiator.Ĭoolant or antifreeze is in charge of keeping the water in the radiator from boiling over in hot weather and freezing in cold temperatures. The first reason the blue engine light appears on the center display screen is the cold engine, meaning it’s not really at its operational driving temperature. Why Does This Dashboard Illumination Appear? Cold Engine If it keeps happening, don’t ignore the blue engine coolant temperature but bring your car to the nearest auto repair shop. No matter what the cause of the problem is, you’d better calm down and monitor your driving properly. The indicated illumination condition can be because of the cold engine (sometimes making your car unable to start), damaged thermostat or antifreeze leakage. Now you know: What does the blue temperature light mean? So what is the cause? ![]() If it’s still after startup, you have a reason to worry about it. Normally, in normal weather conditions with a normal driving style, the indicator is on for one to two minutes after you start the ignition and goes off by itself. Blue coolant light or coolant temperature low indicator light indicates that the temperature of your car coolant is at a low level. ![]()
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