
Australia has strict laws regarding vehicle modifications, primarily to ensure safety for everyone on the road. While underglow is not illegal throughout the country, certain colours and light-emitting devices are prohibited in specific situations. In Western Australia, the government specifies that only white-coloured lights can be fitted to vehicles, with a maximum of four additional forward-facing lamps. These lights must be fitted to the front of the vehicle and be symmetrical to its centre. Lights on the roof rack and roll bar of a ute/4WD are permitted as long as they do not obstruct the driver's field of vision.
| Characteristics | Values |
|---|---|
| Is underglow illegal in Western Australia | Not illegal as long as it doesn't flash, the light itself is not directly visible, and it cannot be confused with normal brake lights. |
| Maximum number of additional forward-facing lamps allowed | 4 |
| Colour of the lights | Only white |
| Lights fitted to a bull or nudge bar | Cannot be higher than the front edge of the bonnet of the vehicle |
| Lights fitted to a roof rack or roll bar of a ute/4WD | Allowed as long as they do not interfere with the driver's field of vision |
| Lights with mounting brackets | Must be rounded to minimise the risk of injury to pedestrians |
| Lights that interfere with existing lighting | Not allowed |
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What You'll Learn

Underglow is illegal in Western Australia if the lights themselves are visible
In Western Australia, underglow or neon lights under a car are not explicitly illegal. However, there are specific regulations governing the use and installation of additional lighting on vehicles. These regulations imply that underglow lights may be illegal in certain situations or if they are installed or used incorrectly.
The Western Australian Government stipulates that any additional lights must be 'front-facing' and fitted to the front of a vehicle. Lights can be attached to a bull bar or nudge bar, but they cannot be higher than the front edge of the bonnet. Additionally, lights mounted on a roof rack or a roll bar of a ute/4WD are permitted as long as they do not obstruct the driver's field of vision. Symmetry is also crucial, with all lights needing to be fitted symmetrically to the centre of the vehicle.
The colour of the lights is also regulated, with only white-coloured lights permitted. This restriction suggests that the colourful or neon underglow lights often associated with modified cars would be illegal. Furthermore, the lights themselves should not be visible, and only the reflection of the light on the ground is allowed. This regulation aligns with the general principle that modifications must not distract or obstruct other drivers.
It is worth noting that the interpretation and application of these rules can be complex, and the legality of underglow lights may depend on specific factors such as the colour, brightness, and positioning of the lights. As such, it is recommended to refer to official sources and stay up-to-date with the specific regulations in Western Australia to ensure compliance.
While underglow lights may not be specifically prohibited in Western Australia, it is clear that vehicle modifications, particularly those involving lighting and sound, can attract significant police attention. Additionally, illegal modifications can have consequences for insurance coverage in the event of an accident. Therefore, it is advisable to exercise caution and consult professional advice before making any modifications to a vehicle.
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Only white-coloured lights can be fitted to vehicles
In Western Australia, the government has outlined specific regulations regarding the colour of lights fitted to vehicles. According to the Western Australian Government, only white-coloured lights are permitted to be installed on vehicles. This regulation is part of the broader guidelines concerning additional lighting on cars. It is important to note that these laws can change over time, so staying informed about the latest updates is essential.
Underglow, or neon lights under a car, is considered illegal in most places across Australia, including Western Australia. This is primarily due to the potential distraction they can cause to other drivers on the road. However, some sources suggest that underglow may be permissible in Western Australia as long as certain conditions are met. These conditions include ensuring that the lights do not flash, are not directly visible, and are not easily confused with standard brake lights.
It is worth noting that the interpretation and application of these rules can be complex. The legality of underglow lighting may depend on specific factors, such as the visibility of the lights themselves versus the reflection on the ground. Additionally, the number and placement of lights can also come into play. In Western Australia, there is a limit of four additional forward-facing lamps that can be installed on a vehicle. These lights must be fitted to the front of the car and positioned symmetrically concerning the vehicle's centre.
While modifying vehicles with underglow lighting may be appealing to some, it is crucial to prioritize safety and adhere to local regulations. The consequences of illegal car modifications can be severe, including fines, voided insurance policies, and even making the vehicle unroadworthy. Therefore, it is recommended to consult official sources and seek professional advice before making any modifications to ensure compliance with the law and maintain safety on the roads.
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A maximum of four additional forward-facing lights are permitted
In Western Australia, a maximum of four additional forward-facing lights are permitted on a vehicle. These lights must be fitted to the front of the vehicle and must be positioned symmetrically in relation to the centre of the car. If you are only installing one light, it must be fitted in the exact centre.
The laws regarding underglow in Western Australia state that the lights themselves cannot be seen, but the light reflecting on the road is permitted. The lights must also be white in colour and must not be visible from the side or rear of the vehicle. Additionally, the mounting brackets for the lights must be rounded to minimise the risk of injury to pedestrians.
It is important to note that while underglow may be permitted in Western Australia under these conditions, it is illegal in most other places in Australia due to the potential distraction it may cause to other drivers. Furthermore, laws regarding vehicle modifications can vary across Australia, so it is always best to check the official sources and stay up to date with the state or territory's regulations.
Vehicle modifications that affect safety, such as those that interfere with the structural integrity or stability of the car, are likely to be illegal. Modifications can also impact insurance coverage, so it is crucial to consult with your insurer before making any changes to your vehicle.
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Lights must be fitted symmetrically to the centre of the vehicle
In Western Australia, any additional lights must be fitted symmetrically to the centre of the vehicle. This means that if you are installing only one light, it must be placed in the exact middle of your car. This rule is part of the Western Australian Government's regulations regarding the fitment and use of additional lighting on vehicles. These rules can be tricky to interpret, and they do change over time, so it is always a good idea to check multiple sources for the most up-to-date information.
In Western Australia, you can fit a maximum of four additional forward-facing lamps to your vehicle. These lights must be fitted to the front of the vehicle and must be 'front-facing'. If you are fitting lights to a bull bar or nudge bar, they cannot be higher than the front edge of the bonnet. Lights can also be fitted onto a roof rack and a roll bar of a ute/4WD, provided they do not obstruct the driver's field of vision.
It is important to note that the colour of the lights is also regulated. In Western Australia, only white-coloured lights can be fitted to vehicles. This is likely to ensure that the lights do not distract or blind other drivers, which could be dangerous and cause accidents.
Underglow lights, or neon lights under a car, are illegal in most places in Australia, including Western Australia. This is because they can be distracting to other drivers and may increase the risk of accidents. However, some sources suggest that underglow is acceptable in Western Australia as long as the lights do not flash and are not directly visible—only the reflection on the ground is seen.
It is crucial to be aware of the legal requirements for vehicle modifications in your state or territory. Non-compliant modifications can result in fines, voided insurance policies, or even make your vehicle unroadworthy. To stay on the right side of the law, it is recommended to consult official sources, legal professionals, mechanics, or specialists who can provide accurate and current advice specific to your situation.
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Underglow lights can be a police magnet
Underglow lights, or neon lights under a car, are illegal in most places in Australia because they can distract other drivers. However, in Western Australia, underglow lights are acceptable as long as they don't flash and are not directly visible—only the reflection off the ground can be seen. Additionally, the lights should not be easily confused with normal brake lights, and only white-coloured lights can be fitted to a vehicle.
While underglow lights may be legal in Western Australia under certain conditions, they can still attract unwanted police attention. Some police officers may mistakenly believe that underglow lights are illegal, leading to unnecessary interactions and potential fines or warnings. It is important to understand that any modifications to a vehicle may increase the likelihood of police scrutiny. This is especially true for light and sound modifications, which have strict regulations in most of Australia.
In Western Australia, there are specific rules regarding the fitment of additional lights. A maximum of four additional forward-facing lamps are permitted, and they must be fitted to the front of the vehicle, symmetrically to the centre. If fitted to a bull bar or nudge bar, the lights cannot be higher than the front edge of the bonnet. Lights on a roof rack or roll bar of a ute/4WD are allowed as long as they do not obstruct the driver's field of vision.
It is crucial to research the legal requirements in your state or territory before making any vehicle modifications. Understanding the local laws and regulations can help avoid issues with law enforcement and ensure your vehicle remains roadworthy and compliant. Failure to comply with these regulations may result in fines, defects, or warnings from law enforcement officers.
In summary, while underglow lights may be legal in Western Australia if certain conditions are met, they can still be a magnet for police attention. To avoid unnecessary interactions and ensure compliance with the law, it is advisable to familiarise yourself with the specific regulations regarding vehicle modifications in your region.
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Frequently asked questions
Underglow is illegal in most places in Australia, including Western Australia, because it can distract other drivers. However, some sources suggest that it is acceptable in Western Australia as long as the lights themselves are not visible and only the reflection on the ground can be seen.
The Western Australian Government states that only white-coloured lights can be fitted to vehicles. A maximum of four additional forward-facing lamps can be fitted to a vehicle, and they must be fitted to the front of the vehicle and be symmetrical to its centre.
Illegal car modifications can result in fines, void insurance, or make a car unroadworthy. It is recommended to always check with local laws and an insurer before making any modifications to a vehicle.











































