2010 Chevrolet Cobalt Owner's Manual - Page 140

If you still are unable to shift out of P (Park): 1. Fully release the shift lever button. 2. While holding down the brake pedal, press the shift lever button again. 3. Move the shift lever to the desired position. If you still cannot move the shift lever from P (Park), consult your dealer/retailer or a professional towing service. Parking Over Things That Burn { WARNING: Things that can burn could touch hot exhaust parts under the vehicle and ignite. Do not park over papers, leaves, dry grass, or other things that can burn. Parking the Vehicle (Manual Transmission) Before leaving the vehicle, fully press the clutch pedal down, move the shift lever into R (Reverse), and firmly apply the parking brake. Once the shift lever has been placed in R (Reverse) with the clutch pedal pressed down, the ignition key can be turned to LOCK/OFF, then remove the key and release the clutch pedal. See Manual Transmission Operation on page 3‑28. 3-34