This article is a summary of our free 15-page e-book, The Complete Car Detailing Guide. Download the full guide free here. It includes the care schedule, glossary and all the NZ-specific notes.
If you've ever wondered why your car never looks like the ones online, or why swirl marks show up as soon as the sun comes out, this guide is for you. Detailing isn't about spending a fortune or a whole weekend on your knees. It's about doing a few things in the right order, with products that suit the job.
New Zealand is hard on paint: intense UV, coastal salt, tree sap, bird mess and road film that bakes on fast in summer. A routine built for a mild climate won't hold up here.
1. How detailing works: the sequence
Detailing is a sequence, not a shopping list. Each stage prepares the surface for the next:
Clean → Decontaminate → Correct → Protect
- Clean – remove loose dirt and road film without grinding it into the paint.
- Decontaminate – remove the bonded iron, tar and fallout that a wash leaves behind.
- Correct – level out the fine scratches and swirls that dull the shine. Optional, but it makes a huge difference.
- Protect – add a sacrificial layer (wax, sealant or coating) that takes the abuse instead of your paint.
The golden rule: never protect a dirty car. If you seal contamination under a coating, it stays locked against the paint and keeps etching into it.
Most modern cars have a clear coat only tens of microns thick. Almost every swirl you'll ever want to remove is in that layer, and most were put there by careless washing. The single biggest upgrade to your car's finish is learning to wash without adding them.
2. The safe wash
About ninety per cent of swirl marks come from washing. Fix your wash and you fix the biggest source of damage.
Rinse and pre-wash first, and touch nothing dry
The most damaging moment in any wash is the first wipe of a dry, gritty surface. Rinse thoroughly, then apply a snow foam or pre-wash and let it dwell. Bilt-Hamber Auto-Foam and Bilt-Hamber Touch-Less lift most of the grit before a mitt ever touches the paint.
Use the two-bucket method
Use one bucket with shampoo and one with plain rinse water, each with a grit guard in the bottom. Rinse the mitt in the plain bucket after every panel so the grit stays there instead of going back on your paint. Choose a pH-neutral shampoo with good lubricity, such as Bilt-Hamber Auto-Wash. It won't strip your wax or sealant.
Wash from the top down, in straight lines
Leave the dirty lower panels until last, and use straight-line motions rather than circles. Always use a plush microfibre or wool mitt such as the Mouton Master wash mitt, never a sponge or brush.
Rinse and dry without dragging
Dry promptly to avoid water spots. Mist a drying aid or quick detailer onto the panel first, such as Bilt-Hamber Auto-QD, so the towel glides and your protection gets topped up at the same time.
Wash responsibly and protect NZ waterways
On a sealed driveway or road, wash water flows straight into stormwater drains and then untreated into streams, rivers and the sea. Even "eco" soap pollutes. Under the Resource Management Act, discharging contaminants to water without consent isn't allowed anywhere in New Zealand. You can avoid this in three ways:
- Wash on grass or gravel.
- Use a commercial car wash, where the water goes to treated wastewater.
- Divert the runoff onto unsealed ground.
If you only have a sealed driveway, go rinseless. Soft99 Fukupika Wash & Wax Wipes refresh a lightly dusty car with no hose at all.
3. Decontamination: the step everyone skips
Run your fingertips over "clean" paint. If it feels gritty rather than glassy, the paint is contaminated, and washing won't fix it.
Part one: chemical
An iron (fallout) remover dissolves embedded brake dust and rail fallout. It usually turns purple as it works, so you can watch the contamination bleed out. Bilt-Hamber Korrosol is the one we use: spray it on cool, clean paint and wheels, let it react, then rinse. Iron Terminator is another strong option.
Part two: mechanical
After the chemicals, clay pulls out whatever is still bonded to the paint. Bilt-Hamber Auto-Clay is unusual in using plain water as its lubricant. Keep the surface wet, work small sections with light straight passes, and bin any clay you drop on the ground.
NZ note: if you live near the coast, a rail line or a busy motorway, your fallout load is higher than average. An iron remover a couple of times a year keeps corrosion from taking hold.
Decontamination strips any existing wax, so always go straight on to correction or protection afterwards.
4. Paint correction basics
This is where dull, swirled paint turns glassy and deep. Inspect it under strong sunlight or a bright LED first. Fine cobweb swirls polish out well. Scratches deep enough to catch a fingernail go through the clear coat and can't simply be polished out.
- By hand: a one-step cleaner-polish such as Bilt-Hamber Cleanser-Polish cuts light marks, boosts gloss and leaves a layer of protection. It's safe and a great place to start.
- By machine: a dual-action (DA) polisher is beginner-friendly and very hard to burn paint with. It's the biggest step up in results. Pair it with a liquid compound such as Soft99 Micro Liquid Compound or Poorboy's World Pro Polish 2, and use the right pad.
Always do a test spot first. Start with the least aggressive combination and only step up if you need to, because clear coat doesn't grow back. For deeper defects, careful wet-sanding with KOVAX abrasives is what professional bodyshops use.
5. Protection: wax, sealant or coating?
- Natural carnauba wax gives a warm, deep glow and is very forgiving to apply, but lasts weeks to a couple of months. Bilt-Hamber Double-Speed-Wax goes on and comes off fast, even in less-than-ideal conditions.
- Synthetic sealant lasts longer and gives a crisp, reflective finish. Try Soft99 Fusso Coat or Poorboy's World EX-P Sealant.
- Coatings are the most durable option, with intense water beading. Soft99 QJUTSU Body Coat is an easy quartz coating, and Bilt-Hamber Touch-On is a hydrophobic ceramic treatment.
Apply protection to clean, dry, cool paint out of direct sun, in thin even coats. Respect the cure time on the label, because that's where durability is won or lost.
NZ note: New Zealand's UV breaks protection down fast and fades paint and trim. Top up more often than an overseas guide would tell you. A quick detailer after each wash extends the life of your base layer.
6. Wheels and tyres
Keep a separate bucket, mitt and detailing brushes for the wheels, and clean them first, before the paint. Use a wheel cleaner that suits your finish, such as Bilt-Hamber Auto-Wheel, or let Korrosol dissolve baked-on brake dust. Agitate, rinse, then protect. A sealant or QJUTSU Wheel Coat makes brake dust rinse straight off next time.
Scrub tyres and arches with a diluted degreaser such as Bilt-Hamber Surfex-HD. Finish with a satin tyre dressing such as Poorboy's World Bold N Bright. Satin looks more natural than high gloss and lasts better in the rain.
7. Glass you can see through in the rain
Clean the glass properly first with a dedicated cleaner and two microfibres. Bilt-Hamber Trace-Less leaves it streak-free. For old, patchy repellent, Soft99 Glass Compound Z resets the surface so a new coating can bond.
Then apply a rain repellent. Above roughly 60 km/h, water beads and blows off the screen almost without wipers. The Glaco range from Soft99 is among the most respected in this category, and Glaco Q is a great place to start. Never clean glass in direct sun, and do the inside too.
8. The interior
Work from the top down, dry before wet:
- Declutter and shake out the mats.
- Vacuum everything.
- Dust and wipe the hard surfaces.
- Spot-clean fabric or leather.
- Do the glass last.
Avoid glossy dash dressings, which cause windscreen glare. Clean leather with a pH-balanced product such as our Leather Seat Cleaner, then condition it, because NZ sun is hard on leather.
9. Rust and the Kiwi coast
Nothing shortens a car's life in New Zealand like rust. Salt settles in seams, under the arches and in box sections, and works from the inside out.
- Wash regularly, including the underbody, especially after beach trips.
- Keep the paint sealed and touch up stone chips promptly.
- Treat the cavities and underbody. Bilt-Hamber's Dynax range is made for exactly this.
Rust is a major factor in WOF checks and resale value. Prevention costs a fraction of repair.
10. Your care schedule
- Every wash (1–2 weeks): pre-wash, two-bucket wash, dry with a drying aid, clean the wheels.
- Monthly: check the beading and top up protection, refresh the tyre dressing, clean the interior glass.
- Quarterly: full decontamination (iron remover and clay), re-apply your main protection, condition the leather.
- Twice a year: a one-step polish, a deep clean of carpets and upholstery, and chip touch-ups.
- Yearly: paint correction if needed, an underbody corrosion check, and a reset of the glass coatings.
- As needed: remove bird mess, sap and bugs immediately, and rinse the underbody after coastal trips.
Get the full guide free
This is the short version. The full 15-page Complete Car Detailing Guide covers every step in more detail, with NZ notes for coastal, high-UV and rainy regions, a printable care schedule and a glossary of every detailing term.
Not sure which product suits your car? Get in touch at contact@oakey.co.nz or 022 186 6084. We're a small NZ business and always happy to help.
Oakey Car Care is the official New Zealand distributor for Bilt-Hamber, Soft99, Poorboy's World and KOVAX.