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 ...

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