7 Tips to Prevent Rust on Your Car Year-Round

August 29, 2025

Rust is more than a cosmetic issue. Once it starts eating away at your vehicle’s body or frame, it can compromise strength, safety, and long-term value. Michigan drivers in particular face tough conditions, with road salt in winter, high humidity in summer, and frequent rain, all of which accelerate corrosion. Staying ahead of rust through preventive care helps protect your car’s structure and preserves its appearance for years.


Tip 1: Wash Your Car Regularly


Dirt, salt, and moisture are the main culprits behind rust. Even a thin film of road salt left on metal surfaces can speed up corrosion. Washing your vehicle every two weeks or more often in winter removes these harmful elements. Pay special attention to wheel wells, undercarriage, and lower panels, since these areas collect the most grime. Touchless or underbody wash options are especially effective for reaching hidden spots.


Tip 2: Apply Wax or Protective Sealants


A clean surface is only the first step. Adding a protective barrier makes a big difference in rust prevention. Waxing your car at least twice a year helps shield the paint from water and contaminants. For longer-lasting coverage, some drivers choose ceramic coatings or professional-grade sealants. These treatments bond to the paint and provide months of protection against oxidation, salt, and road debris.


Tip 3: Keep Drains and Seals Clear


Vehicles have small drains in doors, trunks, and sunroofs to channel water away. When these become clogged with leaves, dirt, or debris, water pools in hidden cavities and accelerates rust. Make it part of your routine to check and clear these drains. Similarly, inspect rubber seals around windows and doors for cracks. Replacing damaged seals prevents water from seeping in and sitting where you can’t see it.


Tip 4: Touch Up Chips and Scratches Promptly


Even the smallest chip in your paint can expose bare metal underneath. Once metal is exposed, moisture and oxygen begin the rusting process almost immediately. Carrying a small bottle of touch-up paint or using a repair kit allows you to seal these areas before they spread. If larger sections of paint are peeling or bubbling, professional refinishing may be necessary to stop corrosion in its tracks.


Tip 5: Protect the Undercarriage


The underside of your car takes the most abuse from road salt, gravel, and moisture. Undercoating treatments, applied by professionals, provide an added layer of protection. Some shops use oil sprays that seep into seams and crevices, preventing rust from forming in hard-to-reach places. Scheduling undercoating before winter offers the best protection against Michigan’s harsh driving conditions.


Tip 6: Store Your Vehicle Properly


If you park outside year-round, your car is exposed to rain, snow, and humidity. Using a high-quality, breathable car cover can help protect it from the elements. For those with a garage, avoid parking in damp spaces without ventilation, since trapped moisture can actually encourage rust. Adding a dehumidifier or proper airflow in storage areas keeps your vehicle drier and less prone to corrosion.


Tip 7: Schedule Seasonal Inspections


Even with careful maintenance, some rust-prone spots can go unnoticed until it’s too late. Seasonal inspections by a professional shop ensure your vehicle stays ahead of problems. Technicians check areas such as brake lines, suspension mounts, exhaust components, and frame rails where rust can develop silently. Addressing early-stage rust with sanding, sealing, or treatment keeps it from spreading and causing expensive repairs later.


Stay Rust-Free With B & K Collision in Melvindale, MI


Rust doesn’t have to be inevitable. With regular washing, protective treatments, and seasonal inspections, you can keep corrosion from shortening your car’s lifespan. At B & K Collision in Melvindale, MI, our team specializes in body care, rust prevention, and repair services that protect both the look and safety of your vehicle.


Schedule your visit today and drive confidently knowing your car is protected year-round.

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