Wash the car regularly, especially the undercarriage and wheel wells
Dry the car thoroughly after washing
Remove road salt, mud, and debris promptly
Inspect the car for chips, scratches, and rust spots often
Touch up paint chips and scratches immediately
Sand off rust as soon as it appears
Apply rust converter to affected areas
Prime and repaint repaired areas
Use wax or paint sealant to protect the body
Apply undercoating or rustproofing to the underside
Keep drain holes clear
Repair damaged seals and trim
Store the car in a dry garage or covered area
Avoid parking on wet grass or dirt
Rinse the car after driving on salted roads
Replace worn weather stripping
Fix leaks that let water into the car
Use rust-resistant parts when replacing panels or components
Check hidden areas like door edges, rocker panels, and frame rails
Apply cavity wax inside enclosed metal sections
Keep the car clean and free of standing moisture