2025 4Runner Safety Feature Acronym Cheat Sheet

[Trail4R]

Controlled via Multi-Information Display (MID)​

(This is the screen between the gauges, navigated using the steering wheel buttons)

These are found under: Settings ->

LDA – Lane Departure Alert (press and HOLD ok to toggle on/off + Control Settings)
Warns you if you unintentionally drift out of your lane.

BSM – Blind Spot Monitor (press ok to toggle on/off)
Alerts you when vehicles are in your blind spots.

PCS – Pre-Collision System (press and HOLD ok to toggle on/off + Control Settings)
Automatically brakes to help avoid or reduce the severity of a frontal collision.

PDA – Proactive Driving Assist (press ok to toggle on/off)
Applies light braking or steering in curves or when approaching vehicles/pedestrians—active even when LTA is off.

RCTA – Rear Cross Traffic Alert (press ok to toggle on/off)
Warns you of vehicles crossing behind you when backing up.

RCD – Rear Camera Detection (press ok to toggle on/off)
Adds obstacle detection to your rear camera feed—helps identify people or objects.

PKSB – Parking Support Brake (press ok to toggle on/off)
Applies brakes automatically to avoid collisions while parking.

RSA – Road Sign Assist (press ok to toggle on/off)
Reads speed limit and other signs, then displays them on your dash.

These are found under: Settings -> Vehicle Settings

DRCC – Dynamic Radar Cruise Control (press and HOLD ok to toggle on/off + Control Settings)
Adaptive cruise control that adjusts your speed to maintain following distance.

Physical Buttons & Switches​

Located on the steering wheel.

LTA – Lane Tracing Assist (press ok to toggle on/off)
Steers to help keep you centered in your lane while using cruise control.

Located on the dashboard, left of the steering wheel.

TRAC – Traction Control
Reduces wheel spin when accelerating on slippery surfaces: Can be toggled ON/OFF with a button

VSC – Vehicle Stability Control
Helps maintain traction and control in slippery or emergency situations: Always on by default; only turns off in specific drive modes or with TRAC