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The driver presses and holds both the gas and brake pedals simultaneously, causing Toyota SST to reduce engine power.
Toyota SST reduces throttle input when a driver depresss and simultaneously holds the gas and brake pedals.

As one of the leading automakers in the world, Toyota has consistently been at the forefront of automotive safety innovations. Among its suite of safety features, Toyota Smart Stop Technology (SST) stands out as a pivotal advancement that ensures driver and passenger safety in critical situations. 

The main feature of Toyota Smart Stop Technology (SST) is to reduce engine power from the throttle when the gas and brake pedals are depressed simultaneously.

Table of Contents

How Toyota Smart Stop Technology Can Keep You Safe

Toyota’s Smart Stop Technology is a cutting-edge safety feature designed to assist drivers in preventing collisions in certain conditions. It acts as an additional layer of security, intervening to reduce engine power when the driver applies the brake and accelerator pedals simultaneously.

How Smart Stop Technology Works

1. Simultaneous Pedal Detection: SST immediately recognizes this if the brake and accelerator pedals are pressed simultaneously and held for over half a second.

2. Engine Power Reduction: Smart Stop Technology reduces engine power upon detecting the simultaneous pressing of both pedals. This allows the braking system to take precedence over acceleration.

3. Driver Alert System: In certain situations, a notification or an alert will be provided to the driver, signaling the activation of the Toyota SST.

Toyota Smart Stop Technology Infographic that explains how SST works, step by step, each operation in the process.
Infographic of how Toyota SST works, featuring the Tacoma TRD Off-Road 4x4 in Lunar Rock

Benefits of Smart Stop Technology

Enhanced Safety: The system is designed to automatically reduce engine power when the brake and accelerator pedals are pressed simultaneously, helping to prevent unintentional acceleration.

Collision Avoidance: By cutting engine power under specific conditions, Smart Stop Technology can assist in avoiding or mitigating frontal collisions, especially when the driver mistakenly hits the accelerator instead of the brake.

Driver Confidence: Knowing that there is an additional layer of safety can boost driver confidence in tricky driving conditions.

Emergency Preparedness: Smart Stop Technology is an extra safety net in urgent situations requiring rapid deceleration.

Complements Other Safety Features: Smart Stop Technology is often integrated with other safety features like Brake Assist (BA), designed to detect sudden or “panic” braking situations to apply full force braking.

Smart Stop Technology: The Science Behind It

Toyota’s commitment to ‘Kaizen’ or continuous improvement is evident in the development and fine-tuning of SST. The technology relies on sophisticated magnetic wheel speed sensors and advanced software algorithms continuously monitoring pedal inputs. When the system identifies a simultaneous pressing of the brake and accelerator pedals, it reacts swiftly to reduce engine power.

ABS wheel speed sensors automatically maintains brake pressure to help mitigate engine output from the accelerator pedal being pressed at the same time the brake pedal is pressed.

Toyota Camry LE in Ice Edge
Toyota Camry LE in Ice Edge, which comes standard with Smart Stop Technology

Toyota Star Safety System

The Toyota Star Safety System is an integrated suite of six advanced safety technologies designed to enhance vehicle stability, traction, and braking effectiveness. These features include:

  • Vehicle Stability Control (VSC) – Helps prevent slipping and loss of traction by reducing engine power and applying brake force to individual wheels.
  • Traction Control (TRAC) – Minimizes wheel spin during acceleration by automatically reducing power or applying brakes to individual wheels.
  • Anti-Lock Brakes System (ABS) – Prevents the wheels from locking up during braking, ensuring the vehicle remains steerable.
  • Electronic Brake-Force Distribution (EBD) – Optimally distributes brake force to all wheels, improving braking effectiveness.
  • Brake Assist (BA) – Detects emergency braking and increases braking force to reduce stopping distance.
  • Smart Stop Technology (SST) – Automatically reduces engine power when both the accelerator and brake pedals are pressed simultaneously under certain conditions, helping to bring the vehicle to a stop.

Together, these components work to enhance the driver’s control over the vehicle, improve traction, and reduce the likelihood of accidents, thereby ensuring a safer driving experience.

Recap of SST

Toyota’s SST epitomizes the brand’s unwavering commitment to safety. By constantly innovating and integrating advanced safety measures like SST into its vehicles, Toyota ensures that its drivers and passengers are always in safe hands. When driving a Toyota, one isn’t just investing in a vehicle but a promise of unparalleled safety and reliability.

For a complete understanding of how SST functions and its limitations, it’s important to refer to the Toyota Owner’s Manual or visit your local Toyota dealer.

Frequently Asked Questions

What is Toyota Smart Stop Technology?
SST’s main feature is to reduce engine power from the throttle when the gas pedal and brake pedal are depressed at the same time for more than half a second, so the brakes are prioritized over the gas pedal input.
What is the Toyota automatic engine shut-off?

This system is totally different and has nothing to do with safety. This Automatic Engine Off system is designed to save fuel when sitting in traffic or waiting at a traffic light to make Toyota vehicles more fuel-efficient.

Can Start-Stop technology be turned off?

SST is often confused with Stop and Start Engine System(S&S), the Push Button Start with keyless entry. The Stop and Start System, which occurs when vehicles go into an idle, is to help save gas and be more fuel efficient.

Are there open recalls for Smart Stop Technology?

At the time of writing this, no, that could change in the future. If you’re curious, visit Toyota.com/recall.

Note: Always refer to the vehicle’s Owner’s Manual for more detailed information about your specific vehicle. Safe driving practices should always be followed. For more details, contact your local Toyota Dealer or visit Toyota.com.
Cedric Jackson

Cedric Jackson

Cedric is a Sales Pro with 20+ years of experience. He is currently a Sales Consultant at Toyota of Riverside. He aims to share his passion for product knowledge of the Toyota brand here on his blog. Cedric writes content here and produces short-form videos on YouTube, Instagram & TicTok. Connect with him here or on all social media @ cedricthecarguy 🙏🏾🤙🏾

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As always, for precise and detailed information tailored to a specific RAV4 model or year, it’s wise to refer to the owner’s manual or contact a Toyota dealership.

Cedric Jackson

Cedric Jackson

Cedric is a Sales Pro with 20+ years of experience. He is currently a Sales Consultant at Toyota of Riverside. He aims to share his passion for product knowledge of the Toyota brand here on his blog. Cedric writes content here and produces short-form videos on YouTube, Instagram & TicTok. Connect with him here or on all social media @ cedricthecarguy 🙏🏾🤙🏾

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