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2010 Lexus HS 250h Overview Part V: Safety

Safety
As it is with ride, handling, noise and vibration, the body structure plays a key role in the fundamental safety characteristics of the HS 250h. To help protect the driver and passengers, the body is designed to be extremely strong but strategically resilient to help absorb and distribute energy in the event of a crash. High tension steel components are carefully located in the body structure, doors and other areas to help ensure strength in key areas. This includes special rear side members that are specifically designed to conform to the latest safety regulations requiring compatibility with a high-speed rear impact.

The HS 250h incorporates a standard class-leading 10-airbag Supplemental Restraint system with dual-stage airbags and knee airbags for driver and front passenger, side curtain airbags, and both front and rear seat-mounted side airbags to help protect front and rear passengers in certain types of severe frontal or side collisions. The front passenger airbag is a twin-chamber type that further helps protect the front-passenger. Additionally, front and outer rear seatbelts incorporate pretensioners with force-limiters to help protect occupants in the event of a severe frontal collision. Also, active head restraints are provided for the front seats.

An optional Pre-Collision System (PCS) with Dynamic Radar Cruise Control and Driver Monitor uses millimeter-wave radar to measure and maintain a pre-set following distance from a vehicle traveling ahead. The radar sensor can detect certain obstacles in front of the car, and a PCS computer with vehicle speed, steering angle and yaw-rate inputs helps to determine whether a collision is highly possible. In such a situation, PCS alerts the driver with audible and visual warnings, preemptively retracts front seat belts and pre-initializes Brake Assist so that increased braking will be applied the instant the driver depresses the pedal.

Lexus EnformTM with Safety ConnectTM
The Lexus HS 250h is slated to be the first vehicle to offer the all-new telematics system Lexus EnformTM with Safety ConnectTM, available by subscription on the dedicated luxury hybrid sedan when it goes on sale in late summer. Safety Connect, the cornerstone of the services, is available on both non-navigation and navigation-equipped HS250h vehicles and offers four fundamental safety and security features: Automatic Collision Notification, Stolen Vehicle Location, Emergency Assistance Button (SOS), and enhanced Roadside Assistance, which adds GPS data to the already included warranty-based Lexus roadside service.

Lexus Enform services include all of the Safety Connect features and build upon them with the premium services of Destination Assist and eDestination. Destination Assist agents are available via the on-board cellular equipment and can help drivers find a specific address, a business by name, or a type of business (e.g., gas station, movie theater, etc.), and even Zagat-rated restaurants, and then send the coordinates to the navigation system for routing. With eDestination, drivers can go online via Lexus.com’s drivers’ site to save and sort destinations in up to 20 folders holding as many as 10 destinations each – all personalized by the driver. Then drivers can send the locations – up to 200 at a time – to their vehicle, where they will be available for download into the navigation system. Online, drivers can create personalized location names (e.g., “Favorite sushi,” “1 PM Appt,” “Kids’ doc,” etc.) and even list notes about their saved locations – all helping them see exactly the information they choose in the vehicle.

One-year trial subscriptions of Lexus Enform and Safety Connect are included with all new HS250h purchases. Renewal subscriptions will be available in a variety of terms. Drivers of navigation-equipped vehicles will have the option to subscribe to Safety Connect only or to Lexus Enform with Safety Connect. Both the Lexus Enform and the Safety Connect response center operate 24 hours a day, 7 days a week – every day of the year.

Launching with Lexus Enform is Lexus Insider, a complimentary, opt-in service available without a subscription on all navigation-equipped HS vehicles. Debuting in late summer, this feature offers in-vehicle audio casts that provide owners access to useful vehicle tips and event information, and insights into exclusive owners’ benefits – all designed to further enhance the Lexus experience. Drivers who do not wish to receive the messages can easily opt out of the service. Those who do wish to receive them can elect whether or not to receive notification of new messages at vehicle start up.

2010 Lexus HS 250h – Hi-res. Images

2010 Lexus HS 250h
2010 Lexus HS 250h
2010 Lexus HS 250h
2010 Lexus HS 250h
2010 Lexus HS 250h
2010 Lexus HS 250h
2010 Lexus HS 250h
2010 Lexus HS 250h
2010 Lexus HS 250h
2010 Lexus HS 250h
2010 Lexus HS 250h
2010 Lexus HS 250h


Lexus Luxury
Lexus has developed another new system for the HS 250h called Lane Keep Assist (LKA) that is designed to help drivers stay within their chosen lane. To accomplish this, LKA combines two basic functions: The first is a lane-departure warning (LDW) function that eases the burden on the driver by smoothly increasing steering torque a small amount to assist in maintaining course. It does not steer the vehicle independently and it requires the driver to maintain active steering control. This function depends on the detection of lane markers by an on-board camera, so LKA is intended for use primarily on well-developed roads and highways.

The second function works in cooperation with the dynamic radar cruise control to alert the driver with an indicator in the multi-information display and gently counter-steers the car toward the center of the lane. The LKA must be turned on by the driver and the system shuts off automatically when it detects driver input through the steering, brake pedal or turn signal operation.

2010 Lexus HS 250h Overview Part I: Engine, Aerodynamics, Fuel Economy
2010 Lexus HS 250h Overview Part II: Technology
2010 Lexus HS 250h Overview Part III: Design
2010 Lexus HS 250h Overview Part IV: Comfort and Convenience

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