Mooresville Auto Repair

What Does The Thermometer Light Mean?

Coolant Warning Light | STR Automotive

Has a tiny thermometer icon that lights up on your dashboard. It's not just decoration; it's your car's way of urgently saying something's not right. This little icon is the coolant temperature light, and it's trying to tell you that your engine's temperature is soaring - "What does this light mean?" and "Why is it important", are probably some of the most common questions regarding this light, so let's answer them together.

The Coolant Temperature Light

Your car's engine is a heat-producing powerhouse. When it's running, it generates an enormous amount of heat. That's where the cooling system comes into play. It circulates a mixture of water and antifreeze (coolant) through the engine, absorbing the excess heat and sending it to the radiator to cool down before starting the process again.

Now, when that coolant temperature light flickers to life on your dashboard, it's sounding the alarm. It's telling you that your engine is running hotter than it should be, and that's not good news.

The Heat Dangers - Why You Should Care

Potential Engine Damage

Engines are designed to operate within a specific temperature range. When they get too hot, they're at risk of damage. Think blown gaskets, warped cylinder heads, and other costly problems.

Fuel Efficiency Takes a Hit

An engine operating at the right temperature is more efficient. When it's running too hot, your fuel efficiency suffers, and you might find yourself at the gas pump more often.

Safety First

An overheating engine can lead to unexpected stalls, particularly in stop-and-go traffic or on busy highways. That's a safety hazard you want to avoid.

Coolant Temperature Light - What to Do

So, what's the action plan when that little thermometer icon lights up? Should you dive to a repair shop or should you DIY it on the spot? Let's stop with the questions and give you three simple steps to follow:

  1. Pull Over Safely: As soon as it's safe, pull over to a safe spot and turn off the engine.
  2. Hold Off on Popping the Hood: Opening the hood while the engine is scorching hot can be dangerous. Give it a few minutes to cool down.
  3. Check the Coolant Level: If it's safe to do so, check the coolant level in the reservoir. If it's low, adding more coolant might help temporarily. However, remember that the light indicates an underlying issue that needs professional attention.

Despite your unfortunate circumstances, we would be happy to see you in the shop! STR Automotive is here to assist you with any vehicle problems, no matter the severity.

STR Automotive is committed to ensuring effective communication and digital accessibility to all users. We are continually improving the user experience for everyone, and apply the relevant accessibility standards to achieve these goals. We welcome your feedback. Please call STR Automotive (704) 746-9501 if you have any issues in accessing any area of our website.