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Side lights – what are they for?

Position lights
Artur Owczarek
Artur Owczarek

Brand Product Manager Moje AutoHe has been involved in the automotive industry for years. He is passionate about cars and detailing. On his blog, he shares his knowledge and experience, offering tips on how to effectively care for your car and extend its life.

Sidelights are one of the most basic, yet often underestimated, lighting elements in a vehicle. While they don't illuminate the road ahead, they perform a crucial informational function—they signal to other drivers that a vehicle is on the road and indicate its size. In this article, we explain what sidelights are, when they should be turned on, how they work, and the consequences of not using them.

What are position lights?

Position lights, also known as marker lights, are an integral part of every vehicle's lighting. They glow white at the front and red at the rear, clearly signaling both the vehicle's presence and dimensions. Their light should be visible from a distance of up to 300 meters in good weather conditions.

Although they are not intended to illuminate the road, their key role is to inform other road users of the vehicle's location. This is especially important in difficult conditions, such as fog or dusk. Side lights significantly increase road safety by allowing drivers to estimate the size of oncoming vehicles, which in turn helps minimize the risk of collisions.

For vehicles that exceed 6 metres in length, the additional installation of orange side position lights is mandatory. This solution makes it even easier to identify dimensions. It is also worth remembering the difference between position lights and parking lights, which have a different function and are not required in every vehicle.

Position lights

How to turn on the side lights in your car?

To turn on position lights in your car, follow these steps:

  1. look for a dedicated switch, which is usually located near the steering wheel on the dashboard,
  2. turning it on, turn the knob or lever to the first position,
  3. on the switch you will find an icon showing two headlights facing each other back to back, emanating three streams of light,
  4. When these lights are turned on, a green light will come on on the dashboard, indicating that the side lights are activated.

It is worth remembering that in many vehicles position lights They turn on automatically with the low beam headlights, but you can also turn them on independently. The proper use of position lights is extremely important – not only increases your safety on the road, but also ensures compliance with applicable regulations.

What approval standards and regulations govern position lights?

Position lights are subject to road traffic regulations and homologation standards, such as European Regulation 48 ECE. These regulations specify requirements for:

  • numbers,
  • colors,
  • deployment,
  • minimum visibility distances of these lights.

According to them, the front lights must be White, red at the rear, and for longer vehicles, exceeding 6 meters, additionally required orange lights on the sides.

In Poland, every motor vehicle and two-wheeler must be equipped with position lights at both the front and rear. Furthermore, road traffic regulations specify when these lights should be turned on, for example, in poor visibility conditions. Improper use or complete absence of position lights may result in penalties such as fines. 

Rear position lights

What are side lights for?

Position lights play a vital role in road communication, informing other users of a vehicle's presence and helping to estimate its size. Thanks to clear light signals, both drivers and pedestrians can more easily spot oncoming vehicles. This is especially important during maneuvers and parking. The key role of these lights is increased safety in difficult conditions, such as fog, rain or night, when visibility is significantly reduced.

Although sidelights don't illuminate the road, they do serve an important warning function. In emergency situations, such as when stopped on the highway or at night, turning them on alerts other drivers to the immobilized vehicle, which significantly reduces the risk of accidentsAdditionally, when towing a car, turning on the sidelights is essential to indicate the movement and size of the towed vehicle. Road traffic regulations specify precisely when these lights should be activated, demonstrating their crucial importance in everyday road use.

Sidelights are essential for signaling both the presence and dimensions of a vehicle on the road. Thanks to their proper placement – white at the front and red at the back – other road users can quickly assess what kind of car they are dealing with. This is especially important in conditions of limited visibility, when it's harder to see oncoming vehicles.

When should you use your side lights?

Position lights should be used when visibility conditions are limited, for example during:

  • dusk,
  • fog,
  • rain,
  • at night.

They are an important element in ensuring road safety as they allow other drivers to notice both the presence and size of the vehicle.

In some situations, such as:

  • emergency stop on the highway,
  • night driving,
  • no working hazard lights.

Their use is becoming even necessaryIn undeveloped areas where visibility is limited, the use of position lights is also required by law.

During towing in difficult conditions, these lights play a crucial role. They provide information about both the towing vehicle and the towed vehicle, which:

  • increase road safety,
  • warns other road users about approaching cars or immobilized vehicles.

Proper use of these lights is a fundamental element of caring for the life and health of all road users.

Side lights at night

How does road traffic law regulate the use of position lights in conditions of limited visibility?

Road traffic law in Poland precisely defines the rules of use position lightsDrivers are required to use these lights when visibility is limited – for example at night, during twilight, in fog or rainThe Act also specifies the specific circumstances in which their inclusion is necessary. Important situations include:

  • towing vehicle,
  • emergency stops on expressways and highways,
  • stopping a car in a prohibited place outside a built-up area,

If the hazard warning lights do not work, the driver should activate the side lights.

Failure to comply with these regulations carries the risk of penalties. The driver may get mandate and penalty points, and in some cases officers have the right to retention of the registration certificateAll these regulations are aimed at improving road safety, increasing vehicle visibility in difficult weather conditions. Therefore, proper use of position lights is crucial to ensure the safety of not only the driver but also other road users.

When should you turn on your sidelights when parked outside built-up areas, on a motorway or expressway?

During a vehicle breakdown in unbuilt areas, whether on a motorway or expressway, it is necessary to turn on position lightsThis is important because it informs other road users that your car is stopped. This step can significantly reduce the risk of accidents. According to the rules, these lights must be activated when the hazard warning lights are inoperative.

In difficult weather conditions, such as fog, rain or dusk, it is also worth remembering to turn on position lightswhen parked on the side of the road. This makes your vehicle more visible, which in turn allows other drivers to spot it more quickly.

Use position lights in such circumstances, it is not only a matter of complying with the regulations, but above all, an important element of ensuring road safety. Ignoring these rules may result in receiving a fine and collecting penalty points.

How do position lights differ from other vehicle lights?

Position lights differ from other vehicle lights primarily in their function and mandatory nature. The primary purpose of position lights is to signal the vehicle's presence and dimensions, which is crucial for road safety. Unlike low beam and high beam headlights, which are used to illuminate the road, position lights inform others of the vehicle's location.
When the low beam (dipped beam) is on in poor visibility conditions, the sidelights must also be on. The high beam (main beam) is used after dark to extend the illumination range. However, the sidelights should be turned on in any emergency, such as when parking in difficult conditions.
The distinction between position lights and parking lights is strictly enforced. Position lights are mandatory everywhere, while parking lights are activated only when the vehicle is stationary and can only illuminate on one side. Additionally, daytime running lights (DRL) improve visibility during the day but cannot replace position lights, especially rear lights, which are essential during maneuvers on the road.

Position lights

What to do if the position lights fail?

In case of failure position lights, it's worth reacting quickly and trying to fix them. To start:

  • check if light bulbs are in good condition,
  • if you discover that they are damaged, replace the light bulbs for new ones,
  • pay attention to fuseswhich may affect the operation of the position light circuit,
  • investigate possible cable damage or connectors.

If these basic steps don't work, consider visiting a car workshopA specialist will thoroughly assess the problem and identify the fault. In the meantime, if your side lights are not working, take care of them. security on the road – use other available lights, such as hazard warning lights or parking lights, if they are still working.

Quickly resolving this type of failure is crucial. not only because of regulations, but above all for your safety. Lighting faults can lead to serious situations and potential fines. Therefore, regular inspections and lighting maintenance in the car are very important. Thanks to this, you can avoid unexpected problems while driving.

What are the fines for faulty or missing position lights?

Missing or damaged position lights can result in serious financial consequences and penalty points for drivers in Poland. For example:

  • Driving a vehicle during the day without these lights may result in a fine of approximately 100 PLN and 2 penalty points,
  • at night, during dusk or in a tunnel the fine increases to 200 PLN, and the number of points can reach 4.

When position lights are in poor condition and require repair. Police officers have the right to retain the vehicle's registration certificate until the defect is repaired and a positive technical inspection result is obtained. These regulations are introduced to increase security on the roads and ensure proper visibility for all road users, especially in difficult weather conditions.

Taking care of efficiency position lights is extremely important because it helps to avoid fines and increases security on the roads.

What is ALH adaptive lighting and how does it work with position lights?

Adaptive LED lighting system, known as ALH (Adaptive LED Headlights), is an innovative solution that significantly increases both safety and comfort by intelligently adjusting the light beam to changing road conditions. Thanks to this technology, drivers can enjoy better visibility, especially in difficult situations such as winding roads or sharp turns.

ALH collaborates with position lights, which inform other road users of the vehicle's presence and dimensions. This synergistic relationship allows drivers to better control their lighting, which is crucial, especially during adverse weather conditions.

Adaptive LED headlights In the ALH system, they work in synergy with the position lights. While the latter indicate the vehicle's location, adaptive lighting optimizes visibility. As a result, drivers can more easily spot obstacles on the road, which brings the following benefits:

  • increased visibility in difficult conditions,
  • improved lighting control,
  • reduced risk of accidents,
  • greater driving comfort,
  • a safer environment for drivers and pedestrians.

FAQ

What are position lights and what are they for?

Position lights, also known as marker lights, signal the presence and dimensions of a vehicle. White at the front and red at the rear, they are visible from 300 meters. Their primary role is to inform other road users of the vehicle's location, which increases safety, especially in difficult conditions (fog, dusk). They are not intended to illuminate the road.

How to turn on the side lights?

Locate the dedicated switch (usually on the steering wheel) and turn the knob to the first position. The icon depicts two headlights with three beams of light. When activated, a green light on the dashboard will illuminate. In many cars, these lights automatically turn on with the low beams.

What regulations govern the use of position lights?

Position lights are subject to road traffic law and homologation standards (e.g., ECE Regulation 48), which specify their number, color, placement, and visibility. In Poland, every motor vehicle and two-wheeler must have position lights at the front and rear. Improper use may result in a fine.

When should you use your side lights?

Use them when visibility is limited: at dusk, in fog, rain, or at night. They are also essential during emergency stops (e.g., on the highway), night driving, or towing, especially when the hazard warning lights are not working.

How are position lights different from other lights in a car?

The main difference is their function: sidelights signal the vehicle's presence and dimensions, unlike low beam or high beam headlights, which illuminate the road. They are mandatory, while parking lights, for example, which illuminate only on one side, are used only when stationary. Daytime running lights do not replace sidelights, especially rear lights.

What are the consequences for missing or faulty position lights?

Fines and penalty points are possible. Driving without running lights during the day: PLN 100 and 2 penalty points. At night, at dusk, or in a tunnel: PLN 200 and 4 penalty points. The police may also confiscate the registration certificate until the defect is repaired.

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