Toyota Tundra Service Manual: Operation Check

OPERATION CHECK

1. CHECK KEY REMINDER WARNING SYSTEM

(a) Check that the key reminder warning buzzer sounds.

(1) With the driver side door closed, insert the key into the ignition key cylinder and then turn the key to the LOCK or ACC position.

(2) Check that the buzzer sounds intermittently if the driver side door is opened.

(b) Check that the key reminder warning buzzer stops.

(1) Check that the buzzer stops sounding when any of the following operations is performed while the buzzer is sounding:

  • Close the driver side door (front door courtesy switch is off).
  • Turn the ignition switch to the ON position.
  • Remove the key from the ignition key cylinder.
    Key Reminder Buzzer does not Sound

    Parts Location

    See More:

    Toyota Tundra Service Manual > Power Tilt And Power Telescopic Steering Column System: Freeze Frame Data
    FREEZE FRAME DATA 1. FREEZE FRAME DATA NOTICE: Freeze frame data values will vary depending on the measurement conditions, surroundings, or vehicle conditions. For this reason, there may be a problem even when the values are within specifications. Turn the ignition switch to ON (IG) and park the veh ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0354