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Can You Change Tesla Sentry Mode Sound? (Here's How)

Tesla Sentry Mode uses your lock sound to warn people near your car. Here's how to swap it: USB setup, file format, and all-model instructions.

Tutorials5 min read

Sentry Mode is one of Tesla's security features, and it's closely connected to custom lock sounds. This guide explains everything about how these features work together.

What is Sentry Mode?

Sentry Mode is Tesla's vehicle security system that:

  • Monitors surroundings when parked
  • Records incidents with onboard cameras
  • Alerts you to potential threats
  • Uses exterior speakers for audio warnings

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How Custom Sounds Work with Sentry Mode

Lock Sounds

Custom lock sounds are set in Toybox → Boombox → Lock Sound, not in Sentry Mode:

  • Your custom sound plays when locking the car
  • Tesla does not document a separate custom unlock sound
  • It replaces the default Tesla chime

Sentry Mode Alerts

Sentry Mode has different alert levels:

  • Standby: Cameras recording, no audio
  • Alert: Something detected, headlights flash
  • Alarm: Threat detected, alarm sounds

Custom lock sounds are separate from the alarm sound, which remains Tesla's default.

Setting Up Custom Sounds via Sentry Mode

Step 1: Prepare Your Sound

  • Download a sound from our library
  • Ensure it's named LockChime.wav
  • Place in /Boombox/ folder on USB

Step 2: Enable Sentry Mode

  1. Go to Controls > Safety & Security
  2. Enable Sentry Mode
  3. Look for Custom Sound options

Step 3: Select Your Sound

  1. Insert USB with your sound file
  2. Navigate to sound settings
  3. Select your custom chime
  4. Test by locking your Tesla

Sentry Mode Sound Settings

Available Options

Depending on your Tesla model and software version:

  • Lock sound customization
  • Unlock sound customization
  • Boombox integration
  • Volume controls

What You Can't Customize

Currently, Tesla doesn't allow customizing:

  • The Sentry Mode alarm itself
  • Camera startup sounds
  • App notification sounds

Best Sounds for Sentry Mode

Consider sounds that:

  • Are noticeable but not alarming
  • Indicate security status
  • Don't disturb neighbors at night

Good fits:

Sentry Mode + Boombox

Sentry Mode enables access to Boombox features:

  • Custom lock sounds
  • Summon sounds
  • Fun audio while parked

Both features share the same USB and folder structure.

Troubleshooting

Sound Not Playing with Sentry Mode

  • Verify Sentry Mode is enabled
  • Check USB is properly formatted
  • Ensure file is in correct location
  • Re-select sound in settings

Sound Plays Inconsistently

  • Check battery level (Sentry Mode may disable on low battery)
  • Verify software is up to date
  • Try a different USB drive

FAQ

Does the custom sound play at night?

Yes, unless you've enabled "Exclude Home" or time-based settings for Sentry Mode.

Will custom sounds drain my battery?

The sound itself uses minimal power. Sentry Mode's camera monitoring is what uses battery.

Can I have different sounds for lock and alarm?

Currently, no. The alarm sound is not customizable.

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Tesla Lock Sound Team

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Install a lock sound

3 steps, about 2 minutes.

  1. Copy to USB

    Copy LockChime.wav onto a FAT32 or exFAT USB drive at Boombox/LockChime.wav.

  2. Plug into your Tesla

    Plug the drive into a USB port that carries data (the glovebox port on newer cars). Open Toybox → Boombox → Lock Sound, then choose USB.

  3. Lock the car

    Lock the car to hear it.