In the last issue of The Dispatch, The 80 Percent Effect, I discussed one of the easiest high-impact habits: just cleaning the glass – especially the windshield. But not only does having a crystal-clear glass give you the sense of a freshly detailed car, it more importantly gives you clarity. And clarity on the road means safety. Clarity is the one detail that always pays you back.

Why Glass Care Matters More Than People Think

Dirt, road grime and film, bug splatter, sap – they all reduce visibility and, over time, give your windshield a hazy film that reduces visibility more than drivers realize.

Even a lightly hazy windshield can increase eye strain, glare, and, ultimately, reaction time if left unaddressed.

Glass care is one of the easiest ways to maintain your car's appearance regularly, yet it remains one of the most overlooked aspects of detailing. It also pays the most significant dividends when it comes to comfort and safety.

In this article, we'll discuss the following:

• How visibility degrades without you perceiving it until it's cleaned.

• Why that filmy haze on the inside of your windshield builds up.

• How to keep glass clear longer with simple habits.

The Two Steps of Glass Care

Exceptional glass clarity is a two-step process.

Cleaning the Glass

Cleaning the glass is our foundational step. With regular cleaning using a quality ammonia-free glass cleaner, you remove smudges, water spots after washing, sap, and bird droppings. On the inside, it means removing the haze buildup that every car owner notices but can't stand.

Where does that film come from? It comes from plasticizers in your dashboard and from your HVAC system. For this reason, it's essential to use a dashboard cleaner like nextzett Cockpit Premium that doesn't break down the dashboard and accelerate the off-gassing of chemicals that cause that cloudy film.

However, over time, even regular glass cleaning is not enough. For absolute clarity, using a glass polish like Einszett Glaspolish will give you clarity you didn't realize you were missing.

Glaspolish and similar automotive glass polishes contain special abrasives made explicitly for glass that remove stubborn grime and hard water spots. It'll eliminate the film that builds up so slowly that you don't even notice it – even when you think your glass and mirrors are clean. Using Glaspolish or any glass polish is the most effective way to remove windshield haze and water spots, restoring a streak-free windshield.

Use a glass polish at least once a year to revive and restore the glass, then maintain it with glass cleaner. You can apply most glass polishes by hand or machine.

While driving, use a high-quality windshield washer fluid that won't leave smears, streaks, or residue. The correct fluid should enhance visibility, not worsen it. We recommend nextzett Kristall Klar Washer Fluid Concentrate or, for winter, nextzett Anti Frost Washer Fluid Concentrate.

A quality washer fluid won't degrade your view of the road but rather enhance it, especially during heavy rain or nighttime driving.

Protect the Glass

After all that work, it's worth keeping your glass clean for as long as possible, which is where protecting it comes in.

Apply a hydrophobic layer using a glass coating, such as nextzett Glass Sealant, to improve visibility in rain and reduce reliance on wipers. As a bonus, its self-cleaning effect will keep your glass looking cleaner, longer.

Here are other benefits of using a glass coating:

• Water repels at speed: especially beneficial during heavy downpours when wipers can't keep up, even at the highest speed.

• Minimizes cleaning: Creates a slick surface on the glass so bugs, sap, and road film have a harder time sticking.

• Prevents film buildup: The coating acts as a barrier between the glass surface and the elements. In most cases, maintaining cleanliness with glass cleaner is sufficient. It also helps reduce nighttime glare.

A coating like Glass Sealant is one of the best tools for improving visibility in the rain and achieving a truly safe windshield-cleaning routine.

Where Safety Comes In

With all the technology in your car, the windshield has to be the least technological device, yet the most important. It's your view of the world and the multitude of information you take in as you drive. Seeing road signs, traffic lights, pedestrians, cyclists, and even the lane lines is crucial – day or night.

When the film on your windshield distorts your vision or the rain sheets instead of beads, reaction times can degrade significantly. It's situations like this where a hydrophobic layer earns its keep.

If it hasn't rained in a long time, the buildup of oil and other fluids collects on the road. A fresh rain will pool it up, and road spray from vehicles ahead will kick it onto your windshield, making for a difficult view.

These are just a couple of hazards that impair visibility.

Even a slight drop in visibility can affect how quickly we react. The cleaner the glass, the more information you can process in less time.

The Simple 3-Step Routine Anyone Can Do

Step 1: Deep Clean (optional but highly recommended)

Use a glass cleaning polish like Einszett Glaspolish for etched water spots or well-worn windshields — this step is key if you're tackling how to clean a windshield that's severely hazy or contaminated.

Step 2: Daily/Weekly Maintenance

Use a quality, ammonia-free glass cleaner like nextzett Windscreen Clear to clean glass by hand. Cleaning the glass with glass cleaner is the step most people skip, but it makes the biggest difference day to day. For cleaning during driving, use a quality, methanol-free/ammonia-free windshield washer fluid like nextzett Kristall Klar washer fluid while driving to remove haze, bugs, and sap.

Step 3: Protect

Apply a glass coating such as nextzett Glass Sealant for long-lasting repellency and safer wet-weather driving.

Pro Tip: Prep glass with Einszett Glaspolish before application for the best adhesion and longest-lasting results.

When Should You Do This?

• At the change of seasons – Spring and Fall are ideal for deep cleaning and protection.

• Before road trips – Make sure washer tanks are topped off and bring glass cleaner with you.

• Before stormy or winter months – A hydrophobic coating massively improves visibility.

• Anytime your wipers smear – Replace wipers and ensure the glass is polished and clean.

• After washing the car, the Glass should always be the finishing step. It's the last 5% that makes the whole car look 30% better.

Closing Thought

Cleaning glass might feel like a hassle or a step you can skip. But glass with excellent clarity not only impacts the look and feel of your car as you drive, it also directly affects your driving safety.

Products Mentioned:

nextzett Cockpit Premium

Einszett Glaspolish

nextzett Kristall Klar Washer Fluid Concentrate

nextzett Anti Frost Washer Fluid Concentrate

nextzett Glass Sealant

Frequently Asked Questions

Q: How do you remove windshield haze?

Remove windshield haze using a glass polish like Einszett Glaspolish, which contains special abrasives made explicitly for glass that remove stubborn grime and hard water spots. Glass polish eliminates the film that builds up so slowly you don't even notice it—even when you think your glass is clean. Use glass polish at least once a year to revive and restore the glass, then maintain it with ammonia-free glass cleaner. For interior haze caused by dashboard plasticizers and HVAC off-gassing, use a quality dashboard cleaner like nextzett Cockpit Premium that doesn't accelerate chemical breakdown.

Q: What causes haze on the inside of windshield?

Haze on the inside of windshield comes from plasticizers in your dashboard and from your HVAC system that off-gas chemicals onto the glass. This creates that cloudy film every car owner notices but can't stand. To prevent this buildup, use a dashboard cleaner like nextzett Cockpit Premium that doesn't break down the dashboard and accelerate the off-gassing of chemicals. Regular glass cleaning with ammonia-free glass cleaner removes smudges and haze, while periodic glass polish treatment ensures absolute clarity.

Q: How do you clean windshield for better visibility?

Clean windshield for better visibility using a three-step routine: deep clean with glass polish like Einszett Glaspolish for etched water spots or hazy windshields (at least once yearly), maintain daily or weekly with ammonia-free glass cleaner like nextzett Windscreen Clear, and protect with glass coating such as nextzett Glass Sealant for long-lasting water repellency. During driving, use quality methanol-free and ammonia-free windshield washer fluid like nextzett Kristall Klar to remove haze, bugs, and sap. Prep glass with Glaspolish before applying coating for best adhesion and longest-lasting results.

Q: What is a hydrophobic glass coating?

A hydrophobic glass coating is a protective layer applied to windshields that causes water to bead and sheet off the glass, improving visibility in rain and reducing reliance on wipers. Products like nextzett Glass Sealant create benefits including water repelling at speed (especially during heavy downpours when wipers can't keep up), minimized cleaning needs by creating a slick surface where bugs and sap struggle to stick, prevention of film buildup by acting as a barrier between glass and elements, and reduction of nighttime glare. This coating is one of the best tools for improving visibility in rain and achieving safe windshield performance.

Q: How does dirty glass affect driving safety?

Dirty glass affects driving safety by reducing visibility, increasing eye strain and glare, and slowing reaction times. Even lightly hazy windshields reduce your ability to see road signs, traffic lights, pedestrians, cyclists, and lane lines clearly—day or night. When film on your windshield distorts vision or rain sheets instead of beads, reaction times degrade significantly. Even a slight drop in visibility affects how quickly you can process information and react. The cleaner the glass, the more information you can process in less time, making glass care a critical safety issue rather than just an aesthetic detail.

Q: What is glass polish and how does it work?

Glass polish is a specialized product containing abrasives made explicitly for glass that remove stubborn grime, hard water spots, and film buildup that regular glass cleaner cannot eliminate. Products like Einszett Glaspolish restore clarity you didn't realize you were missing by removing contamination that builds up so slowly you don't notice it. Glass polish is the most effective way to remove windshield haze and water spots, restoring a streak-free windshield. Use glass polish at least once a year, applying by hand or machine, then maintain with regular glass cleaner between treatments.

Q: When should you clean car glass?

Clean car glass at these key times: at the change of seasons (spring and fall are ideal for deep cleaning and protection), before road trips (ensure washer tanks are topped off and bring glass cleaner), before stormy or winter months (hydrophobic coating massively improves visibility), anytime your wipers smear (replace wipers and ensure glass is polished and clean), and after washing the car as the finishing step. Glass should always be the last 5% of your detail because it makes the whole car look 30% better while directly affecting driving safety.

Q: What windshield washer fluid is best?

The best windshield washer fluid is methanol-free and ammonia-free, enhancing visibility rather than leaving smears, streaks, or residue. Use nextzett Kristall Klar Washer Fluid Concentrate for regular conditions or nextzett Anti Frost Washer Fluid Concentrate for winter. Quality washer fluid won't degrade your view of the road but rather enhance it, especially during heavy rain or nighttime driving. Avoid cheap fluids that leave film or streaks—the correct fluid should improve visibility, not worsen it, and work effectively when removing bugs, sap, and haze during driving.

Q: How do you prevent windshield film buildup?

Prevent windshield film buildup by using a dashboard cleaner like nextzett Cockpit Premium that doesn't break down dashboard materials and accelerate off-gassing, applying a glass coating like nextzett Glass Sealant that acts as a barrier between glass and elements, using quality windshield washer fluid that doesn't leave residue, and maintaining regular cleaning with ammonia-free glass cleaner. The glass coating creates a slick surface where contaminants have a harder time sticking, reducing how often you need to deep clean while maintaining excellent clarity between treatments.

Q: Why does rain sheet instead of bead on my windshield?

Rain sheets instead of beads on your windshield because the glass lacks a hydrophobic coating or the existing coating has worn off. Without protection, water spreads across the glass surface instead of beading and rolling off, severely reducing visibility especially during heavy downpours when wipers can't keep up. Apply a hydrophobic glass coating like nextzett Glass Sealant after cleaning and polishing the glass to restore water-repelling properties. This coating causes water to bead at speed and improves visibility in rain—one of the most important safety benefits of proper glass care.