2001 Nissan Frontier Owner's Manual - Page 158

OFF: For driving up and down long slopes where engine braking is necessary, push the overdrive switch once. The O/D OFF indicator light illuminates at this time. When cruising at a low speed or climbing a gentle slope, you may feel uncomfortable shift shocks as the transmission shifts between 3rd gear and overdrive repeatedly. In this case, press the overdrive switch. When driving conditions change, press the overdrive switch to turn the overdrive on. The O/D OFF indicator light goes out. Remember not to drive at high speeds for extended periods of time with the O/D OFF light illuminated. This reduces the fuel economy. WSD0055 ASD1023 Overdrive switch (KA24DE engine type b) Each time your vehicle is started, the transmission is automatically ''reset'' to overdrive ON. ON: For normal driving the overdrive switch is engaged. The transmission is upshifted into overdrive as the vehicle speed increases. Overdrive switch (VG33E or VG33ER engines) ON: With the engine running and the selector lever in the D (Drive) position, the transmission upshifts into OVERDRIVE as vehicle speed increases. OVERDRIVE does not engage until the engine has reached operating temperature. OFF: For driving up and down long slopes where engine braking is necessary push the OVERDRIVE switch once. The O/D OFF indicator light in the The overdrive does not engage until the engine has reached operating temperature. 5-14 Starting and driving