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Lambda II 3.5 gasoline engine
What do you think is the most essential element for Cadenza to realize its motto of being a ‘dynamic sedan’? That’s right, a strong heart, in its case, a powerful engine. To deliver class-leading performance, Kia outfitted the Cadenza with the Lambda II 3.5 gasoline engine. An updated version of the Lambda featured in the Opirus/Amanti, the new engine delivers durability and reliability along with driving performance.
We adopted a new intake manifold system which significantly impacts performance. The previous 2-stage was replaced with a 3-stage variable intake system (VIS) for consistently superior performance at all driving speeds. The Lambda II 3.5 gasoline engine was developed to outperform other 3.5 liter engines by our competition.
One of the most important considerations in developing a large displacement engine is reducing engine weight. To this end, we optimized the design of the crank and cylinder block to lighten the weight and also applied a plastic water temperature control. It was the world’s first plastic water temperature control used in a 6-cylinder engine and is also used in the Opirus/Amanti. Its application shaved 3% off the weight of the new Lambda engine.
The Variable Flow Oil Pump (VFP) optimizes the flow of the oil depending on the discharge pressure, thereby minimizing engine performance loss when driving at a high speed or high RPM. Furthermore, we applied a low-friction coating method using Diamond-Like Carbon (DLC), a new material technology, to moving parts. By reducing friction, we raised fuel efficiency of the engine.
The Cadenza also has a Mechanical Lash Adjuster (MLA) and a ratchet type hydraulic auto tensioner in the timing chain system to achieve both lightness and stiffness, thus increasing durability and reliability.
To reduce environmental pollution and maintenance costs, we applied an ultra thin-wall catalyst for advanced emission conversion and an environmentally-friendly oil filter that requires only the filter paper to be replaced during maintenance checkups.
The rated RPM, which signifies the engine RPM at top output level, was raised from 6,000 RPM of the previous Lambda engine to 6,600 RPM for improved performance.
The application of diverse engine and new material technologies means the Lambda II 3.5 engine offers range-topping maximum power of 290 hp and maximum torque of 34.5 kgf.m.
The engine delivers driving performance as a dynamic luxury mid-size sedan ,thus exceeding the high demands of Cadenza customers in its excellent performance & style.
Amplitude Selective Damper (ASD)
The engine is like the heart of a car and a strong engine is pivotal to the car’s performance. The more powerful an engine is, the more it requires sophisticated automotive control parts to support and endure its performance. One can compare it to a healthy heart requiring strong arms and legs.
Cadenza is the first in its class to feature Amplitude Selective Damper (ASD) as a standard feature. ASD ensures control over the car body and realizes a solid and stable drive.
ASD ensures drivers enjoy optimal riding comfort and handling under any road conditions. A low damping force is applied to provide a comfortable ride when the vehicle goes over roads with undulations that produce high-frequency, low-amplitude vibrations. A high damping force maintains stiff suspension when the vehicle turns or goes over bumps to improve body and wheel control.
Today, we introduced the engine and suspension systems that act as the heart, arms and legs of the Cadenza.
Auto Defogging System
Driving in the rain or in winter is always challenging. Bad weather impairs a driver’s vision – but that’s not all. Like the saying, “When it rains, it pours,” drivers have to contend with a slew of other factors in addition to the weather.
Foggy windows are annoying and potentially dangerous. Moisture inside a car is caused by the differences in temperature and humidity between the inside and outside of a car. Haze or fog can occasionally obstruct the driver’s visibility. However, it’s not a problem for drivers of Cadenza!
Kia Motors successfully developed an Auto Defogging System and installed the system in the Cadenza. The system removes moisture from the windows and controls humidity levels inside the cabin for maximum comfort.
On auto setting, wind is blown onto the windshield at the right temperature to remove moisture. A convenient feature is that the breeze can also be used to control the cabin temperature. A humidity sensor attached to the windshield and its control logic detect moisture on the window and automatically activate the A/C system to defog the windows without the driver having to press a button
The auto defogging system found in competitor vehicles do not have the cabin temperature control function, which means the cabin can suddenly get hot when the system is turned on. The Cadenza though, ensures pleasant driving conditions as it removes the fog and controls the indoor temperature.
Driving in wintertime is difficult on many fronts. In particular, exterior materials like metal and glass become cold in low temperature weather. The interior tends to be a bit warmer than the outside but I’m sure many of you will have experienced the discomfort of sitting inside a freezing vehicle.
When a vehicle has been parked outside for a long time in winter, the driver has to deal with an ice-cold steering wheel. The coldness of a steering wheel also tends to linger for a long time even after the heater has been turned on and the cabin temperature has risen.
Cold hands will no longer pose a problem for drivers of the Cadenza. The heated steering wheel features heated pads in the grip part that give off warmth.
Once a driver switches on the heated steering wheel, a battery-operated controller raises the temperature of the heating wires to provide a warm grip for drivers.
In particular, the use of a controller to manage the heating system prevents any sudden changes in temperature of the steering wheel. This ensures a safe and warm driving experience.
So driving with gloves on or while trying to warm freezing hands by rubbing them together will be a thing of the past in winter… that is, of course, when you’re driving a Cadenza
Lane Departure Warning System (LDWS)
Does Kia’s new car Cadenza have “eyes” that recognize car lanes?
The answer is yes. You might wonder if a vehicle can really have eyes that recognize car lanes. However, that is possible with Cadenza. It is equipped with a system that sets off a warning when the vehicle deviates from a lane backed by a camera that recognizes lanes in front of the car.
The warning is not triggered every time the driver changes lanes. It is activated only when the driver makes a lane change without switching on the turn signal.
The system is called the Lane Departure Warning System (LDWS). With LDWS, a camera captures images in front while the car is in motion. Car lanes are identified by analyzing the captured images. If the driver veers off from a lane without activating the turn signal, a warning light and sound are triggered to alert the driver.
If the lane on the left is marked with a yellow line, LDWS will recognize it as a center lane and two warnings sounds will go off per second to inform the driver of the risk. A serious accident could result if a car crosses over into the opposite lane, which is why we developed a system that can tell when a car slips over into the wrong side of the road.
For lanes marked by white lines, an alarm will ring once per second if the vehicle continues to step on the lane marker or deviates from its current lane. A warning will also appear on the cluster. These mechanisms prevent drivers from dozing off, a main reason for veering off a lane.
To activate the system, turn on the ignition using the push button start function and press the LDWS button on the steering wheel. Then, the LDWS image will appear on the cluster. Once the vehicle starts to move and the driving speed exceeds 60Km/hr, the LDWS will recognize and analyze car lanes to help the driver avoid risky situations.
Parking Assistance System (PAS)
I mentioned earlier that Cadenza has eyes that can look ahead. Another feature of Cadenza is the Parking Assistance System (PAS) which serves as eyes that can look at the front and back of the vehicle.
PAS uses ultrasonic sensors to detect obstacles in front and behind the vehicle. There are three different warning sounds depending on the distance to the obstacle.
If the obstacle is 1.2m away, the alarm will sound at 3.4 second intervals. The interval will shorten to 1.7 seconds when the distance is 80cm. If the obstacle is just 40cm away, the driver will hear a long warning sound.
Along with the sound alarm, the driver will see a warning light in the form of graphics appear on the cluster monitor. To provide accurate warnings to the driver, the Cadenza is equipped with a total of six sensors, two in the front and four in the rear. You can look forward to easier and more convenient parking with Cadenza.
Sounds in the Cadenza
Given the growing spotlight on the entertainment function, quality sound equipment and systems have become a necessity whether you’re at home or on the move.
People tend to cut back on outdoor activities in cold weather and sitting inside the warmth of your car will probably sound highly appealing. Cadenza boasts a powerful audio system that lets you enjoy premium sound in the comfort of a quiet vehicle on a cold winter day. Let’s take a closer look at the star of today’s blog and the hidden gem of Cadenza, the Dimension premium sound system.
Cadenza is equipped with a premium sound system called Dimension, developed by Kia Motors. As the name suggests, the system transcends all dimensions to deliver high quality sound inside the vehicle.
The premium audio system includes an amplifier that digitally transmits source signals, which means virtually no signal loss. Kia also developed a Hi-Fi speaker made with a new material, MSD (Multi-Structure Diaphragm), that reduces speaker distortion to provide excellent sound quality. Dimension features a variable equalizer (EQ) that allows listeners to choose from a selection of sound settings depending on their individual preferences.
The variable EQ function offers three settings, Innocente, Forze and Concerto. Region, age bracket, gender and personal taste were compressed into each of the categories based on accumulated sound tuning technology and experience. Precise algorithms were used to achieve tonal quality, dynamic range and a sense of spaciousness.
The Innocente, or normal setting, provides a balanced, natural sound quality. It delivers easy listening that can be comfortably enjoyed by people of all ages, from children to the elderly. With tight, low-pitched tones, the Forza setting conveys powerful and dynamic sound so the listener can almost “see” the instruments being played. Forza is perfect for people in their 20s and 30s who like the strong beat of rap or rock music. The Concerto, or concert mode, delivers a sense of spaciousness and vibrant sound that will transport you to a live performance at a concert hall. It is the ideal choice for classical and New Age music.
Internationally renowned audiophiles took part in developing Dimension. Professor Ken Pohlmann of the University of Miami and Tom Nousaine, audio equipment expert and reviewer, participated in the sound tuning and joint evaluation. Their contributions helped to create a luxurious audio system unique to Kia Motors.
Dimension premium sound system has already been recognized by consumers and experts alike. It will lead you to the world of high fidelity.
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