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How do you open the gas tank on a 2005 Cadillac STS?

I have my dad’s Cadillac for the weekend, and I can’t figure out how to fill the gas tank because I can’t find a lever! How do I open the gas tank door on the 2005 Cadillac STS?

Andrea Barrett · Updated on Mar 20, 2023

Reviewed by Shannon Martin, Licensed Insurance Agent.

Figuring out all the features of a car can be tricky (and sometimes frustrating)! To open the gas tank on a 2005

Cadillac STS

, just push the rear edge of the fuel door, and it will pop open. This model has no lever or button to open the fuel tank door.

To remove the gas cap, turn it to the left (counterclockwise). Because the cap has a spring in it, it will spring back if it’s released too soon. While filling your tank with gas, hang the tethered fuel cap from the hook on the fuel door to avoid having it in your way.

Be sure not to top off or overfill your car. While it may seem better to fill your tank with as much fuel as possible, overfilling your gas tank should be avoided. Why?

It can damage your engine

It’s a waste of money

May harm your evaporative emission control system (EVAP)

It can affect your vehicle’s performance

Long story short, be careful when filling your car’s gas tank to avoid damaging your vehicle and to

start saving money on gas

.

MORE:

Are Cadillacs expensive to maintain?

View full answer

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Jerry partners with more than 50 insurance companies, but our content is independently researched, written, and fact-checked by our team of editors and agents. We aren’t paid for reviews or other content.

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