A pH-balanced interior cleaner designed for automotive plastics is your safest bet. It handles everyday dirt on door cards, dashboard trims, centre consoles, and other hard surfaces without leaving streaks or damaging finishes. Apply it to a microfibre cloth rather than spraying directly onto surfaces to avoid getting liquid into gaps or controls. For heavily soiled areas, you might need a stronger degreasing cleaner, but save that for occasional deep cleaning rather than regular maintenance. Starting with a mild cleaner keeps things simple and avoids the risk of stripping finishes or causing discolouration from products that are too aggressive for frequent use.

Avoid glass cleaners on plastic surfaces. Most contain ammonia, which can damage interior plastics, cause streaking on textured finishes, and leave a hazy film that’s difficult to remove. They’re designed for glass, not the variety of plastics and vinyls found in car interiors. Household all-purpose cleaners, washing-up liquid, and kitchen degreasers are also problematic. They’re not pH-balanced for automotive materials and often leave residue, cause discolouration, or strip protective coatings. Stick to products specifically formulated for car interiors, they’re designed to clean safely without the risks that come with improvising.

Diluted white vinegar can handle light surface cleaning in a pinch, though it’s not ideal for regular use. Mix it at least 50/50 with water and apply with a microfibre cloth. The acidity can affect some finishes if used too often or in strong concentrations, and the smell lingers longer than most people expect. That said, household substitutes rarely work as well as proper car interior cleaners and carry more risk of streaking, residue, or damage. A dedicated interior cleaner is inexpensive and formulated to work safely across multiple surface types. It’s worth keeping one in the garage rather than relying on kitchen products that weren’t designed for automotive use.

Dish soap isn’t designed for car interiors and comes with several problems. It’s difficult to rinse properly from plastics, which means residue remains on surfaces even after wiping. That residue attracts dirt and leaves a film that dulls finishes and makes surfaces feel different than they should. Over time, dish soap can also strip protective coatings from plastics and cause discolouration on some materials. If you’re looking for a cleaning solution, a proper interior cleaner is much safer and more effective. The convenience of using dish soap isn’t worth the potential damage or the extra work needed to deal with streaking and residue.

Start with a thorough clean of all hard surfaces using a proper interior cleaner. Work systematically, section by section, paying attention to vents, seams, and areas around controls where grime builds up. This removes the dirt and oils that make interiors look tired and neglected. After cleaning, vacuum carpets and seats thoroughly, treat any stains on fabric, and clean leather if fitted. The key is addressing all surfaces, not just the obvious ones. Door trims, lower panels, and areas under seats often get missed, but cleaning these makes a noticeable difference to how fresh the whole interior feels. If surfaces still look dull after cleaning, that’s when you’d consider applying a light protectant, but only after everything is spotless.

Professional detailers typically use a pH-balanced interior cleaner for regular surfaces, switching to a stronger degreasing cleaner for heavily soiled areas like footwell panels or around pedals. They apply products to cloths rather than spraying directly, which gives better control and prevents overspray on glass or into electronic controls. What sets professional results apart is technique more than products. They work methodically, use clean cloths for each surface type, and buff away any residue immediately. They're also careful about moisture levels, using just enough to clean without soaking surfaces or letting liquid run into gaps. The products themselves aren't particularly exotic, it's the attention to detail and systematic approach that delivers showroom results.

A mild, pH-balanced interior cleaner designed for automotive plastics is safe across most dashboard types, whether they're textured, smooth, matte, or gloss. These products are formulated to clean without stripping finishes or leaving unwanted shine on surfaces that should stay subtle. Always test on a small, hidden area first, especially if you're using a new product or working on an older car. Different plastics and finishes can react differently, and what works fine on one dashboard might streak or leave residue on another. A quick test on a low-visibility spot avoids surprises on the main dashboard.