The thermostat is designed to control the flow of coolant to keep the temperature of the engine within the specified operating range. Do not remove the thermostat in the engine cooling system as this may cause the engine to overheat.Idling for a long period with the air conditioning on in stop-and-go traffic.Using a rag to prevent steam from burning your hand if the engine is still hot, unscrew the cap and check the amount of coolant. If you are unsure of where it is, your car’s manual will help you find it. Reducing speed or stopping after high speed driving. Allow the engine to cool down for at least 20 minutes (or an hour if possible) Open your car’s hood and find the engine coolant reservoir.Your vehicle may overheat during severe operating conditions, such as: If your vehicle overheats, stop your vehicle and allow the engine to cool. If the high engine coolant temperature warning light flashes, your engine is too hot. If it keeps lighting on with the engine fully warmed, contact your Toyota dealer as soon as possible to service the vehicle. If your engine coolant temperature is cool with the ignition switch on, the low engine coolant temperature indicator light comes on. After a few seconds, the light will go off. The high engine coolant temperature warning light will come on when the ignition key is turned to the "ON" position. The engine operating temperature will vary with changes in weather and engine load. The indicator and warning lights indicate the engine coolant temperature when the ignition switch is on. High engine coolant temperature warning light.Low engine coolant temperature indicator light.A warning light doesn't always mean the worst - sometimes it could be a faulty wire or a bad sensor. When lights come on, it generally is best to have the issue checked out. Check fan operation, radiator cap, coolant leaks and coolant level. Engine cooling systemĪn engine cooling system, or coolant temperature warning, light will appear if the temperature exceeds normal limits. Auto Zone advises to check battery terminals, alternator belt and battery condition. This icon indicates that the voltage level is below normal level and the vehicle's charging system is not functioning properly. This symbol indicates that cruise control is set while driving. Some vehicles may allow the operator to manually reset the warning light, while others may require service. Tire pressure monitoring systemĭrivers should check the pressure in their tires or manipulation of tire sensors when this icon is activated. A cap to refill the reservoir should have the symbol. Fill washer fluid reservoir in the hood of the vehicle. This symbol indicates that washer fluid is low. Leaving door open overnight can drain the battery. When the car doors are open, this icon will make sure the driver is aware. The brake system icon indicates one of three potential issues - parking brake is on, problem with braking system or fluid is low, or ABS problems. Fog lightsįog lights are illuminated when this symbol is activated. This symbol is for diesel vehicles only and means that the engines glow are warming up and the driver should not start the engine until the light is off. The symbol indicates that the anti-lock brake computer set a code and needs professional diagnosis. Here are 10 dashboard symbols and meanings, according to AutoZone. But for many drivers, young and old alike, it's not that easy. These symbols, often called "idiot lights" (think warning signs for dummies) are aimed at being easy to understand. The survey concluded that 88 percent of young adults could identify an emoji, compared to 51 percent of young adults who can identify a vehicle warning sign. But many are unclear on what they're seeing.Īccording to a survey by Goodyear Auto Service and Just Tires, young drivers are not as familiar with dashboard symbols as they are with emojis. Imagine driving down the road when a light suddenly appears on the dashboard.įor some, it is easy to figure out what the symbol means and what action to take next.
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