2013 Chevrolet Volt Owner Manual - Page 273

Vehicle Care 2. Firmly apply the parking brake. See Electric Parking Brake on page 9‑31. Be ready to apply the regular brake immediately if the vehicle begins to move. 3. With the vehicle off and the brake not applied, press and hold the POWER O button for more than five seconds to place the vehicle in Service Only Mode. See Power Button on page 9‑16. Without applying the regular brake, try to move the shift lever out of P (Park) with normal effort. If the shift lever moves out of P (Park), contact your dealer for service. 10-25 Park Brake and P (Park) Mechanism Check { WARNING When you are doing this check, the vehicle could begin to move. You or others could be injured and property could be damaged. Make sure there is room in front of the vehicle in case it begins to roll. Be ready to apply the regular brake at once should the vehicle begin to move. Park on a fairly steep hill, with the vehicle facing downhill. Keeping your foot on the regular brake, set the electric parking brake. . To check the electric parking brake's holding ability: With the propulsion system active and the electric drive unit in N (Neutral), slowly remove foot pressure from the regular brake pedal. Do this until the vehicle is held by the electric parking brake only. To check the P (Park) mechanism's holding ability: With the propulsion system active, shift to P (Park). Then release the electric parking brake followed by the regular brake. . Contact your dealer if service is required.