Overdrive Operation

The automatic transmission includes an electronically controlled Overdrive (sixth gear). The transmission will automatically shift into the Overdrive gear if the following conditions are present:
• the shift lever is in the DRIVE position,
• the transmission fluid has reached an adequate temperature,
• the engine coolant has reached an adequate temperature,
• vehicle speed is sufficiently high, and
• the driver is not heavily pressing the accelerator.

    See also:

    Cooling System – Drain, Flush, And Refill
    If the engine coolant (antifreeze) is dirty or contains a considerable amount of sediment, clean and flush with a reliable cooling system cleaner. Follow with a thorough rinsing to remove all de ...

    Average Fuel Economy
    Shows the average fuel economy since the last reset. The Average Fuel Economy can be reset by following the prompt in the EVIC to use the SELECT button. When the fuel economy is reset, the displ ...

    Service ACC Warning
    If the system turns off, and the EVIC displays “ACC/ FCW Unavailable Service Radar Sensor”, it indicates there is an internal system fault. Although the vehicle is still drivable under norma ...