2013 Chevrolet Volt Owner Manual - Page 206

9-20 Driving and Operating The vehicle has an electronic shift lock release system. The shift lock release is designed to: . Torque Lock Torque lock is when the weight of the vehicle puts too much force on the parking pawl in the electric drive unit. This happens when parking on a hill and shifting the electric drive unit into P (Park) is not done properly and then it is difficult to shift out of P (Park). To prevent torque lock, set the parking brake and then shift into P (Park). If torque lock does occur, your vehicle may need to be pushed uphill by another vehicle to relieve the parking pawl pressure, so you can shift out of P (Park). jump starting the 12‐volt battery. See Battery on page 10‑23 or Jump Starting on page 10‑69. If the console shift lever cannot be moved out of P (Park): 1. Apply and maintain the regular brakes. 2. Turn the vehicle on using the POWER O button. See Power Button on page 9‑16. 3. Let up on the shift lever and make sure the shift lever is pushed all the way into P (Park). 4. Press the shift lever button. 5. Move the shift lever into the desired gear. If you still cannot move the shift lever from P (Park), see your dealer or a professional towing service. Prevent the vehicle from turning off unless the shift lever is in P (Park). Prevent moving the shift lever out of P (Park), unless the vehicle is in ON/RUN, the brake pedal is applied, and the charge cord is unplugged. . Shifting out of Park To shift out of P (Park), the vehicle must be in ON/RUN, the brake pedal must be applied, and the charge cord must be unplugged. Parking the vehicle in extreme cold for several days without the charge cord connected may cause the electric drive unit to be locked in P (Park) until the propulsion system has warmed sufficiently. The shift lock is always functional except in the case of an uncharged or low charged 12‐volt battery (less than 9 volts). If the vehicle has an uncharged 12‐volt battery or a 12‐volt battery with low voltage, try charging or