2020 Hyundai Sonata - Hybrid Has With Solar Roof

2020 Hyundai Sonata Hybrid - Drive, Interior and Exterior. Subscribe.

The Sonata Hybrid is equipped with a Smartstream G2.0 GDi HEV engine and a 6-speed hybrid automatic transmission. The engine’s power output is 150 horsepower and 139 lb.-ft. of torque. The car’s electric motor delivers power output of 39 kW (51 HP) and maximum torque of 151 lb.-ft. of torque. Combined system power output is 192 horsepower and EPA estimated fuel economy numbers are 50 city, 54 highway and 52 combined for the Blue trim.

Hyundai Sonata Hybrid’s solar-panel roof directly charges the 12-volt and hybrid batteries and outputs 205 watts of electricity. This system has several benefits:

- Mileage increases by about 2 miles per day
- Helps prevent battery discharge from infotainment or HVAC systems when the car is off
- Unique design cue

ASC technology optimizes transmission efficiency by monitoring gear shifts 500 times per second and precisely adjusting the transmission rotation speed for faster shift times. ASC applies new control logic software to the Hybrid Control Unit (HCU), which aligns the electric motor with the rotational speeds of the engine and transmission to reduce gear shifts by 30%. The technology also delivers smoother gear changes and quicker shift times.

Conventional hybrid vehicles do not have torque converters to improve fuel economy because torque converters lose energy while transferring power to the drive wheels. Although fuel efficient, such a system also requires longer shift times to ensure smoother gear changes.

ASC technology allows the hybrid’s electric motor to also take control of gear shifts by applying new software logic to the Hybrid Control Unit (HCU) to mitigate issues with slower shift time. The HCU monitors the rotational speed of transmission with a sensor installed inside the electric motor at 500 times per second to synchronize the rotational speed with that of the gasoline engine.

The synchronization reduces shift time by 30% from 500 ms to 350 ms. This improves not only the hybrid vehicles’ acceleration performance and fuel economy but also the durability of the transmission, by minimizing friction during gear shifts.

The Sonata Hybrid slips through air with 0.24 drag coefficient. The low drag coefficient is accomplished by managing airflow over and under the body. Up front, the Sonata Hybrid has active air flaps behind the grille, which close when less engine cooling is needed. A redesigned rear spoiler further improves airflow. To reduce drag under the body Hyundai engineers added several elements:

- Bumper lip
- Front- and rear-wheel deflectors
- Undercovers in the front and back of the engine bay
- Center floor undercover
- Rear undercover

Continuing to promote the latest advances in technology, the new Sonata Hybrid offers an optional smartphone-based Hyundai Digital Key. Digital Key uses a dedicated mobile app, Near Field Communication (NFC), and Bluetooth Low Energy (BLE) technology to allow a new Sonata to be unlocked, started and driven without a physical key, via a smartphone. Sonata’s Digital Key also allows secure sharing of virtual keys with family and friends.

Sonata owners can tailor the different vehicle functions available to each shared virtual key, and can make the key available for only a defined amount of time. The vehicle owner can preset the duration of vehicle use or limit the use to only certain features when loaning the vehicle, and can also revoke keys remotely. For additional convenience, such as using a valet service or visiting a Hyundai dealer, Hyundai Digital Key also works with an NFC card, which will be provided with each vehicle. Each Sonata still comes with traditional keys. Hyundai Digital Key is compatible only with phones using the Android operating system.

Hyundai Digital Key utilizes NFC technology, which exhibits a high level of security. The NFC wireless data communication takes place only when the device and the reader are placed several centimeters apart.

The top-of-the-line audio and navigation display is a wide, high-definition, customizable, 10.25-inch touchscreen monitor with split screens and natural language, and cloud-based speech recognition powered by Blue Link, while the cluster supervision display is a full 12.3 inches. The navigation system includes a bird’s-eye view in navigation maps, and drivers get HD Radio traffic flow and incident data without ever paying for a subscription. Dual Bluetooth support is also available, so two devices can be paired at the same time—one for phone calls and one for streaming audio. The navigation system also comes with three years of Blue Link Multimedia/Map updates. Hyundai’s eight-inch display audio user interface, equipped with Android Auto and Apple CarPlay, is standard on the 2020 Sonata Hybrid. An optional Bose® audio system also delivers an exceptional experience to customers.
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