Tesla's software update 2025.32 introduces new cabin radar obstruction alerts, highlighting technology's growing role in vehicle safety systems. The cabin radar now supports critical functions including seat occupancy detection and child presence monitoring.

1. Radar Obstruction Alerts
The 2025.32 update adds important safety notifications:
ICR_a137 alert appears when cabin radar is blocked
"Cabin occupancy radar obstructed" warning prompts removal of obstructions
Only activates when all doors are closed
Automatic alert clearance after removing blockage
Common causes: objects near overhead console or large front-seat items
2. Child Safety Features
Cabin radar provides advanced child protection:
Detects children or pets left in vehicle
Immediate Tesla app notifications to owners
Automatic climate control activation for safety
Emergency services calling in critical situations
3. Seat Occupancy Detection
Radar technology improves seating safety:
Accurate passenger detection and positioning
Superior reliability compared to traditional sensors
4D radar capability detects passenger size
Dynamic airbag deployment optimization
Enhanced protection for smaller front-seat passengers
Safety Feature |
Technology |
Benefit |
|---|---|---|
Child Detection |
Radar Monitoring |
Prevents hot car incidents |
Seat Occupancy |
4D Radar |
Accurate passenger detection |
Airbag Optimization |
Size Detection |
Personalized safety |
4. Hardware Availability
Cabin radar deployment spans multiple Tesla models:
2024+ Model 3 and 2022+ Model Y equipped
All new Model Y and Cybertruck models included
2021+ Model S/X partially equipped
Older vehicles may have limited functionality
Expanded support planned for additional models