2001 Toyota 4Runner BaseFACTORY OEM SERVICE PROCEDURE

Keyless Door Lock Buzzer Volume

  1. To adjust keyless door lock buzzer volume, open any door and ensure key is not in ignition. Depress door UNLOCK button on remote transmitter for more than 5 seconds. Buzzer will sound 2 times and system will be in VOLUME ADJUSTMENT mode.
  2. To increase volume, depress door lock and UNLOCK buttons on remote transmitter at the same time. Initially, volume setting will start at intermediate level and then increase as long as buttons are depressed. To decrease volume, depress back window open and UNLOCK buttons at the same time. Initially, volume setting will start at intermediate level and then decrease as long as buttons are depressed. When volume is at desired level and buttons are released, buzzer will sound 2 times and return to NORMAL mode.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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