Seven amazing features on the new Lexus UX

Seven amazing features on the new Lexus UX

18.02.2019: 1. THE SCIENCE OF LUXURY DOOR SOUNDS Car doors are the driver’s first point of contact point with anyvehicle. Leaving no stone unturned in their pursuit of luxury, Lexus acoustic enginee


1. THE SCIENCE OF LUXURY DOOR SOUNDS




Car doors are the driver’s first point of contact point with anyvehicle. Leaving no stone unturned in their pursuit of luxury, Lexus acoustic engineers collaborated with neural scientists to arrive at the ultimate car door sound. Based on research into the brain waves which are created when a luxury car’s door closes, the team selected bespoke materials and adjusted the door shape by tenths of a millimetre to produce a satisfying, reassuring tone. Finally, to ensure the correct closing sound, Lexus’ ‘Takumi’ craftspeople listen to and, where necessary, adjust each UX door in a dedicated ‘Quiet Room’ facility before the car leaves the Kyushu plant.





2. ‘SASHIKO’ STITCHING ON LEATHER SEATS




The new UX crossover can be ordered with leather seat upholstery inspired by ‘sashiko’, a traditional Japanese stitching technique used to apply protective quilting to judo and kendo uniforms. Fora distinctive visual effect reflecting the crossover’s front signaturegrille, Lexus craftspeople stitch along mathematical curves alignedwith the perforation pattern and the seat ventilation outlets. Theresult is a sophisticated fusion of art and functionality.




3. WIRELESS ILLUMINATED VENT CONTROLS




For ease of operation, each ultra-slim air vent on the new UXfeatures a single knob to control both airflow direction andintensity. On Luxury-grade models, illuminated vent controlshouse a wireless LED light source powered by electrical induction.




This advanced yet elegant detail helps the driver or front seatpassenger find the vent control in the dark. Additionally, it also creates a comforting sense of depth, even though the illuminatedknob is only 3 mm in diameter.




4. SOPHISTICATED POWER WINDOW SYSTEM




Complementing the ambience of sophisticated luxury inside thecabin, the opening and closing of the UX’s power windows iscarefully controlled to reduce noise and juddering. Additionally, to protect the driver and passengers, all power windows are equipped with a jam and entanglement function, which prevents shirtsleeves or children’s fingers from being trapped.





5. WINDSCREEN WIPERS WHICH PAUSE FOR PASSENGERS


The wiper system in the new UX is one of the most innovative of its kind, equipped not only with an automatic sensor but with the ability to slow down gradually so as not to impair driver concentration. Underlying the Lexus spirit of ‘Omotenashi’ (Japanese for ‘hospitality and polite service’), the wipers automatically stop when a door opens to prevent guests entering or exiting the car from being splashed.





6. IMAGINATIVE FOLDING LUGGAGE COVER



An innovative feature which highlights the customer centric approach that Lexus takes to design, the UX’s luggage cover can be folded like a net when not in use and stored in the car with a minimum of obstruction.





7. PRECISION-ASSEMBLED TAILGATE




The assembly of every UX crossover is performed by skilled Lexus craftspeople, using cutting-edge technology. To ensure its smooth operation, every UX tailgate and tailgate opening is measured at around 200 different reference points prior to assembly.



The digital measuring equipment employed even allows for minute differences in temperature and humidity. Based  on this data, Lexus craftspeople are then able to adjust each UX tailgate to fit exactly, ensuring it will operate perfectly for many years to come.






A SOLID STRUCTURE TO BUILD ON



Lexus instilled the UX with an outstanding combination of handling agility and smooth, quiet ride comfort that urban customers will find pleasing. Key to achieving that balance is building the UX around the high-strength GA-C global architecture platform. Extensive use of high-tensile steel, high-strength adhesives and Laser Screw Welding (33m of body adhesive and joints in total) results in a highly rigid structure, an essential foundation for achieving dynamic handling and luxurious ride comfort.



By using aluminium for the side doors, wings and hood and composite materials for the tailgate, the UX has the lowest centre of gravity of any vehicle in its class (594mm). As a result, the UX delivers a secure, agile feeling normally associated with lower dynamic hatches. A unique ring structure around the hatch opening and behind the rear seats increases torsional rigidity to enhance crash performance, improve handling and reduce noise and vibration.



The MacPherson strut front suspension and multilink rear suspension with trailing arms, both mounted to subframes, are specially tuned to deliver a combination of agility and comfort over well-worn urban street surfaces. Carefully refined details such as the quality of the damper oil, oil seals and friction control in the shock absorbers make a significant positive impact on ride quality.



An upper strut brace increases torsional rigidity of the engine bay, and the steering rack bolts directly to the subframe without rubber bushings for improved steering feel.



Active Cornering Assist (ACA), a function integrated with Vehicle Stability Control (VSC), helps the vehicle trace the driver’s desired line through a turn by applying some brake control on the inside wheels, suppressing the tendency to understeer. As a result, the UX drives through corners with greater precision while maintaining stability.





A SUSPENSION THAT ADAPTS TO YOUR NEEDS



The latest version of Lexus Adaptive Variable Suspension (AVS), which debuted on the flagship LC Coupe, is available for the UX F SPORT and Luxury grades. The new AVS system decreases body roll when cornering and enhances ride comfort over bumpy urban streets.



AVS uses linear control solenoids to vary the amounts of shock fluid to bypass the shock absorber’s piston assembly. Thus, the system can vary suspension damping through 650 levels, making its operation transparent to the vehicle occupants.




Based on signal inputs from the steering, yaw rate and linear G sensors, AVS continually adjusts damping force to minimize body roll in cornering while maintaining optimum tire contact and ride comfort on all surfaces. Damping force is reduced at low speeds and increased at high speeds. Integrated functions including Roll Posture Control, Anti-pitch Control, Repercussion Control and Roughness Sensing Control adapt AVS performance to all road surfaces and driving dynamics.



The driver can set damping performance using the Drive Select controller. When Eco, Normal or Sport S mode is selected, or when Custom mode is selected with the chassis setting in NORMAL, the damping force remains unchanged to maintain an optimal balance of ride comfort, steering response and a flat ride.



By selecting Sport S+, or Custom mode with the chassis setting in SPORT, the damping force control mode switches to firmer dampers settings to provide the most dynamic driving feel.



In addition, using Pre-Collision System Cooperative Control, AVS can instantly increase damping force to limit vehicle pitch or roll when the driving support computer judges that there is a possibility of rapid driver input to avoid a collision. VSC Cooperative Control applies appropriate damping in response to vehicle side-skid and changes in the road surface friction, helping to maintain the effectiveness of VSC.






SHARP STEERING AND MULTIPLE WHEEL OPTIONS



An Electric Power Steering system with a new compact and highly rigid column assist motor delivers handling with crisp, immediate response to driver inputs, and provides excellent steering feel.



A newly developed electric tilt and telescopic steering column is available for UX models equipped with power-adjustable front seats. In addition, on models with memory function, ingress and egress are made easier with the auto away / auto return controls linked to the driver’s seat belt and the engine start-stop switch or hybrid power switch. Using the switch, the tilt and telescopic motors can adjust the steering wheel up and down or forward and back through 40mm ranges.



Standard 17 x 6.5-inch alloy aero ventilating wheels feature 215/60R17 tyres. The optional 18-inch alloy wheels get 225/50RF18 95V run-flat tyres. F SPORT models are available with performance summer tyres.






UX 250h: NEW-GENERATION LEXUS SELF-CHARGING HYBRID DRIVE



The UX 250h is equipped with a fourth-generation Lexus Self-Charging Hybrid powertrain, featuring a brand new 2.0-litre petrol engine, a new hybrid transaxle, new compact battery and new power control unit.



With 184 DIN hp (PS) total system output (or 135 kW), the UX 250h combines high fuel efficiency with a smooth, natural and responsive driving experience.



The UX’s new 2.0-litre inline four-cylinder engine achieves class-leading 41% thermal efficiency, thanks to revolutionary laser-clad intake valve seats with an all-new intake port profile, high compression ratio (14:1), D4-S fuel injection combining direct and secondary port injectors to achieve high-speed combustion. VVT-iE intelligent variable valve-timing with an electric actuator on the intake side also enhances drivability while reducing emissions.



A continuously variable capacity oil pump and a variable cooling system with an electric water pump contribute to ultra-low internal friction, further optimising engine performance and fuel efficiency. The system also ensures quicker cabin heating on cold days and quicker cool-down when the air conditioner is used.



Exhaust heat recirculation enables quick engine warm-up to reduce emissions, while a gasoline particulate filter provides high-efficiency particulate material removal to conform to EURO6d PN (particulate number) regulations.



The UX’ hybrid system couples this new engine with two electric motor generators in a new-generation hybrid transaxle that is more compact, lighter and has less internal friction than previous Lexus hybrid systems. The Power Control Unit (PCU) is more powerful yet 20% smaller and 10% lighter.



Optimising the level of electric motor assistance and engine rpm produces a linear acceleration feel without the engine running at high revs. Engine speed is synchronised with vehicle speed to create an immediate and continuous acceleration feel.



The new transaxle mounts the electric motor generators (MG1 and MG2) coaxially rather than in-line. The resulting smaller and lighter package reduces frictional losses by 25%. In addition, MG2 is now a higher-speed motor, yielding better performance and efficiency. For the driver, the result is a lower - and best-in segment - curb-to-curb turning diameter : 10.4m, providing nimble manoeuvrability.



The Sequential Shiftmatic feature delivers responsive engine braking force in six steps with a shift feel similar to a manual transmission, using steering wheel paddle shift switches or the S position on the shift lever.



The speed at which the hybrid system can shut off the petrol engine, such as when driving on long downward slopes, has been raised to 115 km/h.



The new compact and lightweight nickel metal-hydride (NiMH) battery and compact cooling system are located below the rear seat, which supports the vehicle’s low centre of gravity.





E-FOUR ALL WHEEL DRIVE



The UX 250h is available with either front-wheel drive or E-Four electric all-wheel drive.



The E-Four all-wheel drive system uses a separate, dedicated hi-torque motor generator integrated into the rear differential. Power distribution between the front and rear axles is automatically optimised by the Vehicle Stability Control (VSC) system when accelerating, cornering, or driving on slippery surfaces. E-Four provides stable driving on uphill slopes or snow-covered roads with lower fuel consumption than a conventional all-wheel drive system that employs a power split device and driveshaft. E-Four does more than assist traction in slippery conditions: the system can actively improve stability by adjusting rear-wheel power to help correct an over- or understeer condition.

 



- Lexus also photos


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18.02.2019 / MaP

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