2011 Chevrolet Volt Owner's Manual - Page 335

Driving and Operating N (Neutral): In this position, the propulsion system does not connect with the wheels. D (Drive): This position is for normal driving. It provides the best fuel economy. If more power is needed for passing, and the vehicle is: . 9-33 Going less than 56 km/h (35 mph), push the accelerator pedal about halfway down. Going about 56 km/h (35 mph) or more, push the accelerator all the way down. L (Low): This position reduces vehicle speed without using the brakes. You can use L (Low) on hills. It can help control vehicle speed going down steep mountain roads along with using the brakes off and on. You can use L (Low) on very steep hills, in deep snow, or in mud. Notice: Spinning the tires or holding the vehicle in one place on a hill using only the accelerator pedal may damage the electric drive unit. The repair will not be covered by the vehicle warranty. If you are stuck, do not spin the tires. When stopping on a hill, use the brakes to hold the vehicle in place. Brakes Antilock Brake System (ABS) This vehicle has the Antilock Brake System (ABS), an advanced electronic braking system that helps prevent a braking skid. When propulsion is active and the vehicle begins to drive away, ABS checks itself. A momentary motor or clicking noise might be heard while this test is going on, and it might even be noticed that the brake pedal moves a little. This is normal. . Notice: If the vehicle seems to accelerate slowly or not respond when you go faster, and you continue to drive the vehicle that way, you could damage the electric drive unit. Have the vehicle serviced right away.