Are Switches Inside a Car Waterproof? | YourMechanic Advice

Are Switches Inside a Car Waterproof?

The electrical switches inside your car control functions throughout your vehicle. You have switches that turn your headlights and radio on or off, adjust the volume of your sound system, open the power windows, and lock the power door locks. While the functions you are controlling may be exposed to the elements themselves, such as the headlight assembly, the switches inside your vehicle are not designed to be waterproof.

Buttons, like the power window controls and the power door lock switches, are in close proximity to the window and can potentially get water on them if the window is left open. Manufacturers create their switches to cover the electrical contacts well so slight contact with water shouldn’t be detrimental.

The switches are not watertight, so prolonged contact with water may not only cause immediate problems, but also future problems through corrosion of the switch. Corrosion can form on the contacts, causing intermittent or complete failure, or it can form deep inside the switch. Also, the wiring to the switch may become corroded and need to be repaired before a new switch will work.

Some off-road vehicles, such as the Jeep Wrangler, have switches that are better protected from the elements. In some cases, the switches on these vehicles have a rubber boot to make them water resistant, though they're still not waterproof. This is not the norm in the industry, so protect your car switches from getting wet as much as possible.


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Bryant

11 years of experience
407 reviews
Bryant
11 years of experience
Ford Fusion - Brake Pads Replacement (Front, Rear) - Indianapolis, Indiana
Bryant has done great work on my car before, the latest work is no exception. He's very flexible, and goes the extra mile to get you back on the road.
Scion iA - Brake Pads Replacement (Front) - Carmel, Indiana
This is my first time using this service. I am very happy with it. Bryant was very knowledgeable and did quality work. I will use this service more regularly.

Augustine

11 years of experience
57 reviews
Augustine
11 years of experience
Volkswagen Passat - Brake Pads Replacement (Front, Rear) - Albuquerque, New Mexico
He’s amazing! Did a wonderful job on my brakes and was extremely knowledgeable, and a real fun guy to be around as well!

Jimmi

25 years of experience
68 reviews
Jimmi
25 years of experience
Mazda CX-9 - Brake Pads Replacement (Rear) - Orlando, Florida
Jimmi was wonderful. He was on time, knowledgeable, and completed work in a timely manner. He went above and beyond with helpful tips and recommendations. We will be using him for all our family vehicles.

Robert

3 years of experience
4 reviews
Robert
3 years of experience
Toyota RAV4 - Brake Pads Replacement (Rear) - Tacoma, Washington
Came right on time! Had all the necessary tools to finish the job. After the test drive, he gave me an update on my car. Topped off my fluids and disinfect the inside. Well recommend!!

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