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 > Water Pump: On-vehicle Inspection
    ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FOR COOLANT LEAK HINT: The sliding surface inside the water pump assembly is lubricated by engine coolant. As some engine coolant is discharged during normal operation, coolant residue (solids) may be found on the drain plug or the bottom of the water pump ...

    Toyota Tundra Owners Manual

    Toyota Tundra Service Manual

    © 2026 Copyright www.ttundra.com
    0.0097