What does the ect power button mean in a GS Lexus 300?

The ECT (Electronic Controlled Transmission) power button in a GS Lexus 300 enhances the vehicle's performance by altering the transmission's shift points. When activated, it allows the car to hold lower gears longer, providing quicker acceleration and a more responsive driving experience, especially in situations like merging or climbing hills. Conversely, when the button is off, the vehicle prioritizes fuel efficiency and smoother shifts.