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Paint Polishing Tips For The Aussie Autumn

Those swirl marks you see in sunlight? That's years of improper washing ground into your paint. But they're fixable.

Summer has probably trashed your clear coat. Here is how to polish out those sun spots and bird dropping etches before winter sets in.

D"M
Dave "Davo" Mitchell Off-Road & 4WD Specialist
| Updated: 4 March 2026
What You'll Learn
Paint Polishing Tips For The Aussie Autumn

Aussie Conditions

Our intense UV breaks down waxes faster than overseas. Ceramic coatings last longer, but even they need topped up more frequently here.
Quick Summary

Look, if your car has been sitting under the Aussie sun all summer, the paint's likely looking a bit flat. Between the red dust and the local bird life using your bonnet as a target, your clear coat takes a beating. This guide is for the bloke who wants to bring back that deep shine without spending three days in the shed.

01

Why Bother Polishing Now?

Right, so summer is winding down, but the UV is still lethal. I've spent 15 years fixing paint, and March is always my busiest month. Why? Because people realise their 'glossy' black car is now a chalky mess of swirl marks and bat dropping stains. Polishing isn't just about looking sharp at the Sunday meet; it's about stripping away that dead, oxidised layer of paint so your wax or ceramic coating actually has something solid to stick to. If you don't prep it now, that salt spray from the coast will eat right into the metal over winter.

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The 'Cool to the Touch' Rule

Never, and I mean never, polish a hot car. I learned this the hard way on a black Commodore back in the day, the polish dried instantly and practically welded itself to the bonnet. If the metal is hot, the oils in the polish break down and you'll end up with a sticky mess. If you don't have a garage, get it done at 7:00 am or wait until the arvo when the sun's low. Your arms (and your paint) will thank you.

Don't Skip the Clay Bar

If you've been driving out west and picked up that fine red dust, or you live near the beach, your paint is covered in grit you can't even see. I've seen guys go straight to the polisher and basically use that dust as sandpaper. Give it a proper wash, then run a clay bar over it. My go-to is the Bowden’s Own Fine Clay Bar. If the paint feels like sandpaper, you aren't ready to polish yet.

Work in Small Sections

Don't try to do the whole roof at once. You aren't Superman. Stick to a 50cm x 50cm square. Most people get impatient and start swinging the machine around like a madman, but that's how you get uneven results. I reckon 4-6 slow passes over a small area works way better than rushing the whole car. Slow is smooth, and smooth is fast, as they say.

The 'Least Aggressive' Approach

I tell everyone this: start with the softest pad and the finest polish you have. Some blokes reckon they need the heavy-duty cutting compound for every little scratch, but modern clear coats are thinner than you think. A customer once brought me a Hilux where he'd gone too hard with a wool pad and burnt right through to the primer on the edges. Start light. If that doesn't work, then step it up. You can always take more paint off, but you can't put it back on (trust me on this one).
02

The Polish Day Checklist

What You'll Need

0/4
Dual Action (DA) Polisher — Don't bother with those cheap $40 ones from the servo; get a proper 15mm throw DA.
A handful of clean Microfibre towels — You'll need more than you think. I usually go through at least six.
Masking Tape — Tape off your plastic trims and rubber seals unless you want white stains on them forever.
Isopropyl Alcohol (IPA) spray — Use this to wipe away polish residue so you can actually see if the scratches are gone.

Watch Out

Don't use a rotary polisher if you're a beginner. Those things are like chainsaws, they're great in the right hands, but they'll ruin your paint in seconds if you don't know what you're doing. Also, steer clear of 'all-in-one' cheap waxes that promise to polish and protect in one go; they usually do a half-baked job of both. Stick to a dedicated polish like Scholl S20 or Meguiar's Ultimate Polish.
03

Common Questions

How often should I polish my car?
Honestly? For a daily driver in Aussie conditions, once a year is plenty. Over-polishing just thins out your clear coat. Spend your time on better protection like a good ceramic sealant instead.
Will polishing remove deep bird poop stings?
Usually, yes. Those acids eat into the paint, but a medium-cut polish will often level it out. Just don't wait too long, if it's been there for months, it might have gone too deep.
Can I polish my car in the sun?
No dramas if you want a nightmare. The product will bake on and you'll spend the rest of your arvo scrubbing it off with a damp rag. Find some shade, mate.

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