2008 Mercury Mariner Owner Guide 3rd Printing (Spanish) - Page 528

Driving Driving with an automatic overdrive transaxle Your automatic overdrive transaxle provides fully automatic operation in either D (Overdrive) or with the O/D OFF switch depressed. Driving with the gearshift lever in D (Overdrive) gives the best fuel economy for normal driving conditions. For manual control, start in 1 (First) and then shift manually. Understanding the gearshift positions of the 4-speed automatic transaxle This vehicle is equipped with an adaptive Transmission Shift Strategy. Adaptive Shift Strategy offers the optimal transmission operation and shift quality. When the vehicle's battery has been disconnected for any type of service or repair, the transmission will need to relearn the normal shift strategy parameters, much like having to reset your radio stations when your vehicle battery has been disconnected. The Adaptive Transmission Strategy 196 2008 Mariner (mrn) Owners Guide (post-2002-fmt) USA (fus)