2009 Mercury Sable Owner's Manual - Page 216

Driving WARNING: Do not drive your vehicle until you verify that the brakelamps are working. WARNING: Always set the parking brake fully and make sure the gearshift is latched in P (Park). Turn the ignition to the off position and remove the key whenever you leave your vehicle. WARNING: If the parking brake is fully released, but the brake warning lamp remains illuminated, the brakes may not be working properly. See your authorized dealer as soon as possible. Automatic Transmission Adaptive Learning Your transmission is equipped with an adaptive learning strategy found in the vehicle computer. This feature is designed to increase durability and provide consistent shift feel over the life of the vehicle. A new vehicle or transmission may have firm and/or soft shifts. This operation is considered normal and will not affect function or durability of the transmission. Over time, the adaptive learning process will fully update transmission operation. Additionally, whenever the battery is disconnected or a new battery installed, the strategy must be relearned. Understanding the gearshift positions of the 6-speed automatic transmission 216 2009 Sable (mgo) Owners Guide, 2nd Printing USA (fus)