How do you turn off oil change light on a 2008 trailblazer?

To turn off the oil change light on a 2008 Chevy Trailblazer, first, turn the ignition key to the "On" position without starting the engine. Next, press the accelerator pedal three times within five seconds. Finally, turn off the ignition, and the oil change light should reset. If it doesn't turn off, repeat the steps to ensure they were done correctly.