DAC: A Feature Designed for Enhanced Driving Experience. The DAC button, short for "Downhill Assist Control," is a valuable safety feature designed to enhance your driving experience, particularly on steep downhill slopes.It's a technology that helps you maintain control of your vehicle while descending steep inclines, ensuring a smoother and safer journey.. 1. Locate the DAC button: The button is typically located on the dashboard, often near the traction control or ABS buttons. 2. Engage DAC: Press the button to activate the system. You may hear a confirmation sound or see a light illuminate on the dashboard. 3. Maintain control: Once activated, DAC will automatically manage the vehicle's speed as you descend the hill.
DAC in your car stands for Downhill Assist Control.It helps you maintain a steady speed of 3 miles per hour when going downhill.. To activate it, press the DAC button in applicable Toyota models with all-wheel drive. Make sure to shift into drive mode and position one, then look for the flashing DAC icon to stop.. This system enhances safety on steep or slippery slopes by adjusting the brakes.. This is important because riding your brakes for a long period of time, such as going down the side of a mountain, can overheat the brakes and reduce their effectiveness. Here's how to work the DAC system: When going down a steep grade, press the DAC button on the left side of the steering wheel. The DAC light will come on in the dash.