Dashboard Warning Lights Guide

The dashboard lights that light up when you crank your car usually go out quickly—unless there's a problem. Dashboard warning lights are a vital feature that lets drivers know when there is an issue. The fault may be minor, like a blown bulb or partially-closed door. But sometimes, the problem lies with a critical component or system, which can affect your car's drivability and safety.  

Don't Ignore These Car Dashboard Lights 

While you shouldn't ignore any dashboard symbols, some are less serious than others and are no reason to panic. But. Your dashboard may have numerous critical warning systems, including these dashboard lights you can't ignore. No matter how old your car is, there are at least three dashboard warning indicators that can mean big trouble:

Check Engine Light 

The CEL indicates problems with emissions, ignition, and other vital systems by flashing on and off. Driving while the CEL is flashing is risky because the faulty part or system could contribute to serious damage or safety issues. When in doubt, stop driving as soon as possible and get your car checked by a pro. 

Oil Pressure Light

While many drivers assume the oil pressure light indicates a low oil level, that's only one of the issues that cause the alert. The lack of oil pressure could be caused by a low oil level, but it may be due to a failing oil pump. If your car simply needs more oil, problem solved. If not, you risk engine failure if you continue driving with the light on. 

Engine Temperature Light

The engine temperature alert means the engine is overheating, and if not addressed immediately, it could lead to engine failure. A low coolant level is often the culprit, but a bad thermostat or leaking seals could also be the cause. If you get this warning, stop driving immediately and check the coolant level. If that doesn't solve the problem, it's time to visit your mechanic. 

The specific warning lights vary among brands and models, but most vehicles feature alerts for problems with the engine, transmission, and brakes. On most modern cars and trucks, a yellow or orange light indicates a system or component that requires maintenance. A red warning light typically means there is a major issue that could quickly get worse if ignored.

What to Do About Car Dashboard Lights?

If you simply ignore warning lights, you're asking for trouble. Sure, not every alert is serious or urgent, but the warnings are there for a reason. Depending on the light, if the issue isn't corrected, it could lead to severe and costly repairs or worse. Because warning lights can indicate problems with your brakes and other safety systems, you also risk the safety of everyone in your car—and other drivers. 

Too many drivers take the DIY route and use a code reader to get to the bottom of things. While this may seem like a logical step for saving money on repairs, it's critical to note that code readers only show you codes. They don't show you what the code means, and that can make tracking down the problem far more challenging, if not impossible. To determine the cause, or causes, it's best to rely on the experience and knowledge of a qualified mechanic.

Other Car Dashboard Symbols and What They Mean

The dashboard symbols in your car vary depending on the make and model, but many are universal. In addition to a CEL, oil pressure, and engine temperature warning light, your car likely features alerts for these and other issues. 

ABS Light

ABS (anti-locking braking system) alerts are not the same as brake dashboard warning lights. While both systems affect braking, an ABS issue alone shouldn't affect your regular brake system. These issues are typically not serious, but they can affect how your car handles and should be diagnosed and repaired.

Traction Control Light

When the system is engaged for snowy or rough roads, the light will sporadically light up to show it's working. But if the light comes on while you're driving in good conditions on a paved road, it could mean a problem with the system computer or wheel-speed sensors. Stay safe and have the system checked by a mechanic. 

Power Steering Light

Power steering can be hydraulic or electric, and when something goes wrong with the system, you get an alert. While power steering may seem like a luxury, the feature not only makes driving easier, it makes it safer. Your car may only need some power steering fluid to cancel the alert, but you'll want to have the system checked for leaks to prevent the issue from recurring. 

Not many drivers know what dashboard warning lights their car has, much less what they mean and how to remedy the problem. Get to know your warning lights so that when one pops up, you'll know the next steps to care for your car and safety.

Shane Vossough is the finance Director and General Manager at Car Time Supercenter since 2012. He works closely with lenders in Arizona, as well as national banks to ensure customers are offered the best finance options possible.