How to Turn on Daytime Running Lights?

3 Answers
GriffinLee
07/23/25 11:34pm
Daytime running lights cannot be turned on manually; they automatically activate when the vehicle is started to ensure driving safety and alert passing vehicles and pedestrians. Below are some details about daytime running lights: 1. Daytime running lights generally do not have an independent switch; aftermarket installations should be connected to the ACC fuse. 2. Daytime running lights should automatically turn on after the vehicle's engine starts. After dark, the driver needs to manually turn on the regular headlights, and the daytime running lights will automatically turn off. 3. Daytime running lights are only equipped on a few high-end vehicles, making them a symbol of premium cars. Therefore, these lights are not for illumination but serve as signal lights. Of course, installing daytime running lights can make a car look cooler.
Was this review help?
16
4
Share
GageRose
08/10/25 7:18pm
On most vehicles, the daytime running lights (DRLs) turn on automatically as soon as the car starts, requiring no manual operation. This design enhances your vehicle's visibility to other drivers, particularly during overcast conditions, rain, fog, or dusk, thereby reducing accident risks. They are enabled by default as many newer models comply with regulatory requirements. To verify functionality, simply start the engine and check if the lights illuminate. If adjustable, you may find the on/off option via steering wheel buttons or the infotainment menu, though keeping them active is recommended for safety. Should the DRLs fail, potential causes include blown fuses, burnt-out bulbs, or faulty wiring—prompt professional inspection is advised. Utilizing LED technology, DRLs consume minimal power with negligible impact on fuel efficiency. Maintenance involves periodic lens cleaning to preserve brightness.
Was this review help?
10
2
Share
Expand All
McAllie
09/23/25 7:53am
From my experience, some vehicles support manually turning on the daytime running lights (DRLs). For example, you can find a switch labeled DRL on the steering wheel or dashboard and press it to activate them. If there's no manual switch, the system operates automatically, and the lights turn on when the car starts. Check if the light control lever is in the Auto position; if not, adjust it to automatic to enable the DRLs. Avoid turning them off casually, as DRLs enhance visibility and help prevent rear-end collisions. A related topic is upgrades or modifications: If your car is an older model without DRLs, you can install an aftermarket kit, but pay attention to wiring safety to avoid short circuits. Develop a habit of glancing at your car lights after starting the engine—if there's an issue, check the fuse box first and replace any blown fuses.
Was this review help?
20
2
Share
Expand All
More Forum Discussions

What are the four systems of a car chassis?

The car chassis is composed of four major systems: the transmission system, the running system, the steering system, and the braking system. The following describes the functions of each component of the car chassis: Transmission system: The function of the transmission system is to transmit the power of the engine to the driving wheels. Running system: The function of the running system is to support and install the various components and assemblies of the car, transmit and withstand various loads on and off the vehicle to ensure the normal operation of the car. Steering system: The function of the steering system is to ensure that the car can travel in the direction selected by the driver. Braking system: The function of the braking system is to decelerate and stop the car and ensure reliable parking.
2
2
Share

How effective is the engine compartment sound insulation?

Engine compartment sound insulation can effectively reduce noise. Here are the relevant details: 1. Engine sound insulation compartment: When engine noise is excessive, performing sound insulation in the engine compartment is an effective method to reduce noise. Installing a firewall sound insulation in the engine compartment can block engine noise, especially when driving at high speeds, where the sound insulation effect becomes more noticeable. Performing full-vehicle sound insulation yields better results but at a higher cost. 2. Benefits: Engine compartment sound insulation helps improve the audio quality of the car's entertainment system, effectively protects the car's paint, enhances the performance of the car's air conditioning, and reduces fuel consumption.
19
0
Share

Why Are Car Steering Wheels Round?

Steering wheels are round because a circle has a large area, allowing for a larger steering wheel surface area with the same amount of material, which makes it easier to operate. Below is an introduction to related content: Properties of a circle: A circle has rotational symmetry; no matter how much it is rotated, it will always coincide with the original circle. A square does not have this property. The function of the steering wheel is to convert the force applied by the driver on the edge of the wheel into torque, which is then transmitted to the steering shaft. Control of driving: Initially, cars used tillers for steering, which transmitted the intense vibrations generated during driving to the driver, making it difficult to control the direction. Therefore, the steering wheel, with its gear system introduced between the driver and the wheels, operates flexibly and effectively isolates the intense vibrations from the road.
19
1
Share

What models does Toyota have?

Toyota has well-known models such as Corolla, Camry, Highlander, RAV4 Rongfang, Levin, Prado, Avalon, and Vios. Below is an introduction to the related content: Corolla model: The Corolla is a brand under Toyota. Its front design adopts a trapezoidal structure, with the Toyota logo at the center. The front grille and headlights extend to both sides and slightly tilt upwards, fully embodying Toyota's Keen Look family design style, which is highly impactful and sharp. Sub-brands: Toyota's sub-brands include Toyota and Lexus. Among them, Toyota includes Crown, Reiz, Prius, Corolla, Corolla EX, Prado, RAV4, Previa, Land Cruiser, and Lexus.
11
5
Share

What does it mean when ETC shows a disabled card?

ETC disabled card is due to insufficient balance or arrears in the bound card, resulting in being blacklisted by ETC and unable to use. The following is the introduction of related content: Payment of arrears: For this situation, customers should promptly make up the payment. After being released from the ETC blacklist, they can continue to use it. Pay attention to the fund movement: It is best to pay more attention to the fund movement in the ETC card. If insufficient funds are found, recharge in time to avoid failure of deduction due to insufficient balance when passing through the highway and ETC deducting fees, and being blacklisted by ETC due to arrears.
13
4
Share

How many LaFerrari units are limited?

LaFerrari is limited to 499 units worldwide. Here is a brief introduction to the Ferrari LaFerrari: Basic Information: The world's most eye-catching hybrid supercar—the Ferrari LaFerrari. Currently Ferrari's top-tier supercar. A carbon-fiber, two-seat supercar that combines a 6.3-liter Ferrari V12 with a KERS-like battery pack and electric motor, delivering 950 horsepower and 663 lb-ft of torque. Limited Edition: Ferrari LaFerrari Review: A handcrafted masterpiece featuring a V12 with a KERS system, producing 950ps horsepower. There is a touching story behind the Ferrari LaFerrari. The LaFerrari is a flagship supercar launched by Ferrari, limited to only 499 units. However, in reality, there are actually 500 units of the Ferrari LaFerrari.
20
0
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.