"What Does the Blue Thermonter Mean on the Dash Bord "
What is the Blue Low Coolant Light on my Nissan Versa Dashboard
You're driving your Nissan Versa and you spot an unfamiliar blue light with a thermometer icon on your dashboard… What should you do? You certainly shouldn't panic, but you also shouldn't ignore the warning light either. Instead read on and discover what this light means and what you should do if you see it on your dashboard.
What is This Light?
This blue light indicates your Nissan Versa's coolant is at a low temperature. Coolant, or antifreeze as it's often called, is a colored fluid found in a car's radiator. It keeps the water in the radiator from freezing in cold temperatures or boiling over when the weather is warm. Coolant also helps lubricate some parts of your Versa, including its water pump. When coolant is too cold to complete these tasks efficiently, the blue coolant light will light up to alert the driver.
What Should You Do?
Like other substances and components in your Versa, coolant is cold when your car starts. Because of this, the blue coolant light will illuminate whenever you turn on your vehicle.
When your engine is cold, the oil viscosity isn't suited for high revving and high engine loads. Certain automatic transmissions may also struggle to shift gears correctly until the coolant warms. For these reasons, you should adjust your driving style while the blue coolant light is on. Don't push your engine too hard. Accelerate gradually, rather than rapidly, and don't try to speed up to beat traffic lights or overtake passing traffic. These measures will avoid causing unnecessary wear and tear to your Nissan.
As the car runs, your coolant should warm up. When it does, the coolant light should turn off and you won't have to be so conscious of your driving style. You can expect the coolant light to turn off after several minutes of driving in normal weather conditions. It may take a little longer to turn off on cold winter days. Monitor your coolant light and make sure it turns off in a timely fashion.
What If The Coolant Light Doesn't Turn Off?
Your coolant light may stay on if there isn't enough coolant in your radiator. Make sure your car is cold before checking your coolant level. Coolant expands under high temperatures, so you won't get an accurate reading unless your car is cold. Your coolant tank is also pressurized. If you remove the filler cap when the engine's still warm the system may spray dangerous scalding hot water. Your coolant level should be between the minimum and maximum lines on your coolant tank. If your levels are low, top your tank up with a 50/50 mix of coolant and water.
Your coolant levels are unlikely to change unless there's a leak in your coolant tank. Inspect this thoroughly to ensure you're not leaking coolant. If you detect a leak or you're concerned there may be a leak you can't see, visit your local garage quickly.
If your coolant light remains on, your thermostat may be broken. You can test this by turning your heater and fan to the maximum setting. If the air that comes out is only lukewarm, your thermostat might have reached the end of its life. Contact our Nissan Service Center to schedule an appointment as soon as possible. They can replace your thermostat if needed or take other measures, such as replacing the head gasket, as required.
If you see the blue "low coolant" light on your dashboard, keep calm, adjust your driving, and monitor whether it turns off in a reasonable period of time. Remember that dashboard lights like these are your Nissan's way of telling you what your car needs for safe driving. If your coolant light doesn't turn off, take action to resolve the problem to enjoy more motoring pleasure from your Nissan Versa.
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Source: https://www.nissanofcoolsprings.com/blogs/778/what-is-the-blue-low-coolant-light-on-my-nissan-versa-dashboard/
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