![]() ![]() ![]() Check the fluid level and add more if necessary. This could be something as simple as low brake fluid levels or worn brake pads. The “brake system” warning light indicates a problem with the truck’s brakes.If that doesn’t fix the problem, then the truck will need to be serviced by a mechanic. Check the oil level and add more if necessary. This could be due to a low oil level or a problem with the oil pump. If the “low oil pressure” light comes on, it means there isn’t enough oil circulating through the engine.If those things are okay, then you’ll need to take the truck to a mechanic for further diagnosis. Try checking the fuel level and air filter first. If the “check engine” light is on, there could be a problem with the truck’s engine or emission control system.Here are some tips for troubleshooting Peterbilt 379 dash warning lights: Depending on the light that’s illuminated, there could be a serious problem with your truck. If you’re noticing that one or more of your Peterbilt 379 dash warning lights have come on, it’s important to troubleshoot the issue as soon as possible. How to troubleshoot Peterbilt 379 dash warning lights How to troubleshoot Peterbilt 379 dash warning lights If you see this warning light, pull over as soon as possible and turn off your engine. For example, if the engine temperature warning light comes on, this could indicate an overheating engine that could cause significant damage if not addressed immediately. Other dashboard warning lights may be more serious and require professional assistance. In this case, you would simply need to add air to the affected tire (or tires) and then reset the system by pressing and holding the button on the instrument panel for several seconds. For example, a low tire pressure warning light may come on if one or more of your tires is low on air. In some cases, a Peterbilt 379 dash warning light may indicate a minor issue that you can easily fix yourself. If the message does not provide enough information, or if you are unsure of what to do, it is always best to err on the side of caution and call for help. The message will give you specific instructions on what to do next. If the warning light is accompanied by a message on the display screen, be sure to read it carefully. ![]() Once stopped, you can assess the situation and determine whether you need to call for roadside assistance or if you can fix the problem yourself. Depending on the severity of the issue, you may need to pull over to the side of the road, or even stop your vehicle entirely. If a Peterbilt 379 dash warning lights comes on, it is important to take action immediately. What to do if a Peterbilt 379 dash warning light comes on What to do if a Peterbilt 379 dash warning light comes on Green Light: This simply means that the system is working properly.It’s best to pull over and check the issue as soon as possible to avoid any further problems. Yellow Light: This is a cautionary light that indicates a potential issue.You should pull over and investigate the issue as soon as possible. Amber Light: This indicates a low coolant level or another issue that needs to be checked.Red Light: This means that there’s an engine fault and you should pull over as soon as possible to avoid further damage.Here’s a quick guide to help you understand the different lights: When you’re driving a Peterbilt 379, it’s important to be aware of the different dashboard warning lights and what they mean. ![]()
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