What are LTA’s guidelines for replacing or upgrading car headlight bulbs?

Hi, thank you for your question! You may refer to LTA’s vehicle modification guidelines for the requirements on replacing headlight bulbs:

https://onemotoring.lta.gov.sg/content/onemotoring/home/owning/modification.html

You can also check out our guide to legal and illegal car modifications in Singapore:

https://www.motorist.sg/article/6113/legal-and-illegal-car-modifications-in-singapore

To confirm your enquiry, we recommend contacting LTA at 1800 2255 582 or submitting an enquiry here:

https://www.lta.gov.sg/content/ltagov/en/contact_us/contact_form.html

Hope this helps!