How To Clean Your Nissan Altima Headlights?

By Nick Marchenko, PhD

Updated: July 21, 2023

Over time, the headlights of your Nissan Altima can start to become cloudy and lose their initial brilliance.

There are various culprits for this unfortunate phenomenon, including the relentless beaming of the sun, a buildup of dust and grime, and the natural decay of the Altima's headlight material.

The upshot of all this? Once sparkling headlights take on a yellowish hue or even a fully opaque look, and this not only diminishes their performance but also makes your vehicle seem less polished.
Let's not forget about the safety implications, either. Dull headlights don't transmit light as efficiently and consequently their brightness is dimmed, which could compromise your visibility while driving at night.

Now, you might be asking: is it possible to spruce up your Nissan Altima's headlights and regain their original lustre?

The short answer is a resounding yes. There's a whole range of methods and techniques available that can restore your previously dull and gloomy headlights to their once-clear and clean state.

Keep on reading and we'll explore the various headlight cleaning options. I'm sure you'll find something that'll do the trick.

So, how do we rejuvenate the Nissan Altima's somewhat less-than-sparkling headlights?

There's a plethora of ways to give a new lease of life to the foggy headlights of your Nissan Altima. These range from home remedies, do-it-yourself kits readily available, to a few professional solutions which might require a more experienced hand.

In this piece, we've arranged the strategies to clear up your misty headlights starting from the simplest to the more complex ones. It all depends on how badly worn they are. If one method doesn't quite cut the mustard, feel free to try the next one.

CAUTIONARY NOTE

Restoration attempts for your headlights should be approached with caution. There's a chance that, if the process isn't executed correctly, your Nissan Altima's headlights could end up damaged or even completely broken.

If you're questioning your capabilities, it might be wiser to hand over the task of restoring dim headlights to the experts.

Give Your Nissan Altima a Good Scrub First

For this you'll require:

• Automotive shampoo;
• Bucket of water;
• Microfiber cloths.

Oftentimes, the clouding of your Nissan Altima's headlights isn't as grim as it appears. It could just be a case of your headlights being plastered with a generous coating of dust, grime, or other stubborn particles.

Before you take more drastic steps, you should give your car a comprehensive clean. This calls for some specialist foam and a dedicated car cloth. Start by hosing down the Altima's body, then apply the foam, wipe down with the cloth, and finally wash off all the residue with water.

While cleaning your Nissan Altima's headlights, avoid scrubbing them when they're completely dry. Any dust or dirt resting on the surface can act like sandpaper and leave your headlights sporting a set of unsightly scratches.

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You Might Need to Evict Bugs from Your Nissan Altima's Headlights

For this, you'll need:

• Bug and tar remover;
• Water;
• Cloth(s).

Those pesky bugs and tiny insects tend to cling onto your headlights during your journeys, hampering visibility. They're not exactly easy to shift, so you might need to bring out the big guns in the form of special cleaning products.

Here's a simple guide for cleaning your Nissan Altima headlights: Rinse your headlights with water, wipe them with a clean cloth, apply the cleaner and gently rub it all over the headlight surface (remember, don't be overzealous and risk causing unnecessary damage). 

Finally, give it a thorough rinse with a damp cloth. Your headlights should be free of all unsightly blotches for now.

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Restoring Nissan Altima's Headlights with Toothpaste

For this you'll need:

• Toothpaste;
• Cloth(s);
• Napkin(s);
• Microfiber towel

To begin with, give your headlights a little shower. Then, pat them down with a cloth, but don't let them dry off completely. It's recommended to use toothpaste that boasts whitening or plaque removal properties. 

Squirt a bit of toothpaste onto a cloth and, using a circular motion, spread it all over the headlight's surface. Let it sit for a bit. 

Now it's time to wash the toothpaste off your Nissan Altima's headlight. Wipe everything down thoroughly to avoid any leftover streaks or toothpaste residues.

Reviving Nissan Altima's Headlights With Vinegar and Baking Soda

You'll need the following:

• Baking soda;
• Vinegar;
• Water;
• Cloth(s);
• Napkin(s)
• Glass/ basin or bowl

Baking soda and vinegar are an age-old combination for solving almost anything, including the task of de-fogging headlights. 

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Grab a glass, basin, bowl, or any other suitable container. You need to dilute the baking soda with vinegar in a ratio of 1:2 to 1:3.

Moisten a cloth and wipe down your Nissan Altima's headlights. Clean your headlights using the mixture you've prepared. When you're done, ensure you dry them thoroughly to avoid any unsightly stains.

Attempt to Polish Nissan Altima's Headlights with Plastic Polish

You'll require:

• Plastic polish;
• Microfiber towel;
• Cloth(s)

Optional:

• Angle grinder;
• Polishing discs

Considering Nissan Altima headlights are crafted from plastic, a worthwhile endeavor could be to polish them using a plastic polish. All you need to do is clean the headlight, apply the polish to a cloth, and start polishing the headlight.

If you happen to have an angle grinder to hand and the confidence to use it, this can also serve your purpose. Select the appropriate disc and exercise extreme care to prevent any headlight damage.

Restoring Nissan Altima's Foggy Headlights with Sandpaper

You'll need the following for this endeavour:

• Sandpaper (grain: 1500, 2000, 3000);
• Cloth(s);
• Water;
• Polishing product;
• Silicon spray;
• Clear varnish

Using sandpaper to buff up the headlights of your Nissan Altima is best suited to those car enthusiasts who possess a tad more confidence and expertise, not to mention a hearty dose of patience and care. We're aiming to rejuvenate headlights, not inscribe them with battle scars.

ATTENTION! If you're not quite sure about your deftness of touch, it might be best to bypass this step. No sense in running the risk of damaging the headlight plastic.

The reason we're using sandpaper here is to address oxidation on the outer surface of the headlight. If the oxidation isn't too severe, we can salvage the situation by gently removing the damaged layer.

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Before launching into the sandpaper, it's wise to give the headlight a thorough cleaning to eliminate any contaminants. Using masking tape, protect the surrounding areas of the car body to prevent collateral damage during the polishing process.

If it's feasible, removing the headlight from the Nissan Altima makes for an easier polishing job, as you're free to navigate the headlight without worrying about potential paint damage.

Now, let's bring in the sandpaper. Depending on the extent of headlight wear, you'll want to start with either a 1500 or 2000 grain sandpaper (if it's particularly dull, opt for 1500 grain; for milder wear, 2000 grain should suffice).

IMPORTANT! Rinse the sandpaper before application. Scrub all the surfaces and corners of the headlight, maintaining a consistent direction for your hand movements. Stick to horizontal strokes from left to right (or vice versa) for about 4 minutes per headlight.

Repeat the same procedure for the other headlight. Then switch to a 3000 grain sandpaper, wet it, and adopt vertical strokes to scrub all the surfaces and corners of the headlight (from top to bottom; again, no more than 4 minutes per headlight).

Afterwards, rinse the headlights with water to remove any remaining abrasive material and all the residue from the scrubbing. Your headlights should now appear clearer and more transparent.

Now, the final step: restoring the buffed-off layer on the headlights. Here are three ways to do this:

Polish - apply a moderate amount onto a cloth and wipe evenly across the headlight;

Silicon spray - apply an even coat on the headlight;

Clear varnish - apply a thin, uniform layer onto the headlight surface.

Opt for a Headlight Restorer

You'll need these items:

• Headlight restorer;
• Cloth(s)

You can easily pick up a complete Nissan Altima headlight restoration kit from your local auto supply store or supermarket. It's usually a chemical concoction that comes in a convenient kit, complete with the necessary cloths and abrasives.

In most instances, all you have to do is apply a good dose of the headlight restorer onto your clean headlight, give it a gentle rub, and then wait for the magic to happen. Once the chemicals have worked their wonders, wash everything off and voila, you're now the proud owner of crystal clear headlights.

When procuring a headlight restorer for your Nissan Altima headlights, do ensure to carefully read and follow the instructions. We wouldn't want any chemical calamities now, would we?

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Entrust Your Nissan Altima to the Experts

What you'll need for this: Cash, preferably lots of it.

The safest bet is to hand over the job of polishing your Nissan Altima's headlights to those who are properly versed in such matters. There are numerous services that offer professional headlight polishing. Yes, it can make your wallet feel rather light, but you can be assured of top-notch results - they can resurrect even the most woeful looking headlights.

Contemplate Replacing the Headlight Assembly

What you'll need for this: A new headlight assembly.

Over time, the Nissan Altima's headlights might deteriorate to such an extent that none of the above remedies would be of much help. 

Furthermore, other signs of wear could start to show on the headlights, like cracks, chips, burn marks (a result of incorrectly inserted or overheated bulbs that melt the headlight from within), and damaged or worn-out reflectors or lenses.

In such scenarios, it's best to forego the whole restoration rigmarole and simply replace the entire headlight. Thankfully, there's an array of suitable replacements on the market, making it easy to find one that suits your requirements.

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Common Headlight Troubles with the Nissan Altima

Headlight Fogging

Condensation can form inside the Nissan Altima headlight, creating a fogging effect that can diminish the light's visibility. This typically happens when the headlight's integrity has been compromised, allowing water to trickle in through the created gaps.

After a while, the trapped water evaporates, resulting in the aforementioned fog. Addressing this issue requires removing the headlight from the Altima, disassembling the housing, identifying the source of water ingress, and sealing it.

Burned Headlight

A dimmed headlight could also be traced back to the humble light bulb. If the bulb is incorrectly positioned or it overheats during operation, the plastic begins to melt, leading to the rather undesirable consequences we've been discussing.

The remedy to this problem could either be to replace the damaged headlight material or swap the troublesome bulb for one that generates less heat or features a more efficient cooling system.

Perhaps, it's Your Nissan Altima's Headlight Bulbs

If the headlights are clean, clear, undamaged, and show no signs of wear, but the light output is still subpar, then the bulbs might be the culprits. 

Nissan Altima headlight bulbs can wear out over time, and dim light can be a symptom of their impending demise. The remedy here would be to replace the old or worn-out bulbs with new ones, or perhaps consider installing brighter headlight bulbs for a more illuminating driving experience.
 

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Preserving Your Nissan Altima's Headlights

Dimmed headlights can do more than simply detract from your Nissan Altima's overall aesthetic appeal, they can also significantly hamper your night-time driving experience. When the headlights' plastic becomes fogged, the focused light scatters across these cloudy patches, causing a drop in road visibility.

To prevent your Altima's headlights from becoming dull, dim, or yellowing over time, consider the following measures:

• Regular headlight cleaning: Occasional thorough cleanings can help your headlights maintain their pristine and transparent qualities. Use specialized tools and cleaning agents, or entrust this job to the seasoned professionals.
• Parking in shaded areas: Constant exposure to direct sunlight can lead to your clear plastic headlights adopting a yellowish hue over time. This is due to UV rays penetrating and degrading the headlight plastic. To mitigate this, consider parking your beloved Nissan Altima in shaded areas or a garage when possible.

In Conclusion

Crystal clear and transparent Nissan Altima headlights are vital for ensuring efficient and far-reaching visibility under various road conditions. When you notice that your headlights are losing their clarity, it is crucial to address this issue promptly.

Adopting the correct methods and techniques for Altima headlight cleaning can help restore their typical transparency and clarity, subsequently improving your driving experience.

If you're uncertain about your abilities to clean your Nissan Altima's headlights independently, don't hesitate to seek professional help. Yes, it may cost a tad more, but it does assure you that the headlight cleaning and restoration job will be carried out in the most effective manner.