Toyota Camry: When stopping the engine with the shift lever in a position other 
than P - Engine (ignition) switch (vehicles with a smart key system) - Driving procedures - When driving - Toyota Camry Owners ManualToyota Camry: When stopping the engine with the shift lever in a position other than P

If the engine is stopped with the shift lever in a position other than P, the “ENGINE START STOP” switch will not be turned off but instead be turned to ACCESSORY mode. Perform the following procedure to turn the switch off:

  1. Check that the parking brake is set.
  2. Shift the shift lever to P.
  3. Check that the smart key system indicator light (green) flashes slowly and then press the “ENGINE START STOP” switch once.
  4. Check that the smart key system indicator light (green) is off.
    Changing “ENGINE START STOP” switch modes
    Modes can be changed by pressing the “ENGINE START STOP” switch with brake pedal released. (The mode changes each time the switch is pressed.) Off* The emergency flashers can be used. T ...

    Auto power off function
    If the vehicle is left in ACCESSORY mode for more than 20 minutes or IGNITION ON mode (the engine is not running) for more than an hour with the shift lever in P, the “ENGINE START STOP” switc ...

    See also:

    Engine Heater
    The engine coolant heater, if available, can help in cold weather conditions at or below −18°C (0°F) for easier starting and better fuel economy during engine warm-up. Plug in the coolant hea ...

    Vehicle Care
    To help keep the vehicle looking like new, vehicle care products are available from your dealer. For information on how to clean and protect the vehicle’s interior and exterior, see Interi ...

    Arming the engine immobiliser
    The engine immobiliser is armedautomatically a short time after you haveswitched the ignition off. The indicator in the instrument cluster willflash to confirm that the system isoperating. ...