What Would Void a Car Warranty?

Written by carrie ferland
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What Would Void a Car Warranty?
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A car warranty can last as long as 8 years or 100,000 miles and cover most problems that may arise while you own the vehicle. However, if the buyer voids the car warranty, he will lose his coverage and become responsible for any repairs or replacements the car may need.

Failing to Follow Scheduled Maintenance

Manufacturers often require buyers who purchase a new or certified pre-owned vehicle to bring the vehicle in on a regular basis for things like oil changes, tire rotation and basic upkeep. If you forgo routine maintenance, you can void your car warranty completely.

Aftermarket Parts

Aftermarket parts can cause problems that do void your warranty. If you install any aftermarket accessory on your vehicle that was not meant for your make or model, the part is installed incorrectly or it interferes with the car’s ability to operate legally and safely, this can void your car warranty.

Body Modifications

Any permanent modifications you make to the car’s body are grounds to void the car’s warranty, provided they interfere with the car’s ability to operate. Body modifications include shaving or removing any part of the car’s exterior or changes made to the car’s frame.


Failing to care for your car properly is another common reason manufacturers rescind car warranties. Failing to replace the car’s brake pads, tires, or other key parts can cause serious damage to your car and void your warranty.

Serious Accident

If you end up in a car accident--even one that is not your fault--and your vehicle is declared totalled or receives a salvaged title, the manufacturer can void the original warranty.

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