This is how rubber seals on the car are properly cared for!

RV Rubber Seal Conditioner

RV Rubber Seal Conditioner

Matte Finish Complete Care Kit with Bucket

For over 40 years, 303 Products have provided premium protection for your cars, boats, and beyond. All 303 Products are good for 2 years after the

303 Products Rubber Seal Protectant and Conditioner for Weather Seals - 3.4 fl. oz., (Pack of 12)

Seal Your C3 Corvette From the Elements With New Weatherstrip

How To Fix The Rubber Seal On A Car Door

An Easy and Permanent Fix for Older Car Door Seals. : 3 Steps (with Pictures) - Instructables

Rubber Seal Deterioration Causes

How to clean your car's vinyl, rubber and leather interiors

Resolving rubber window seal damage - Motor Vehicle Maintenance & Repair Stack Exchange

Car Window Seal: The Importance of Regular Maintenance

HOW TO REPLACE WORN CAR DOOR SEALS

Car Door Rubber: Maintenance and Replacement

Protect your car's plastic and rubber bits from the sun's heat

Someone drilled a hole in my door. Why? : r/Autobody