Toyota calls its Prius an "Eco-Icon," and the latest  generation should have plenty of available gadgets for technological and  environmental die-hards. Among them are a solar-panel moonroof that  powers modest air conditioning in hot parking lots, LED headlights that  use less energy than conventional halogen lamps, and the self-parking  system from Lexus' flagship LS sedan.
The Prius competes with Honda's 41-mpg Insight; there could also be an indirect competitor in Volkswagen's 34-mpg Jetta TDI.
New for 2011
There are no significant changes.
Exterior
Overall  styling, particularly from the rear, looks similar to that of the  previous Prius, complete with a bar that splits the hatchback window  widthwise. The headlights sport arrow-shaped lenses that are a bit like  the Nissan Maxima's. Exterior features include:
- 15-inch wheels standard
- Optional 17-inch wheels
- Standard LED taillamps use less electricity
Interior
The  dash has  instruments that are high atop the center portion, two glove  compartments and a nublike shifter. The shifter itself sits close to  knee level. The dash and doors have a matte-style finish, and the  steering wheel gains a telescoping adjustment.
The steering wheel  has touch-sensitive audio and climate controls that display a replica  of the actual controls and highlight the driver's choices in the  instrument display. Toyota calls it Touch Tracer, claiming it helps  drivers keep their eyes on the road. Other information on the display  includes fuel and energy consumption meters, as well as a depiction of  power flow between the drivetrain's gasoline and electric components.  Interior features include:
- Optional heated leather seats
- Optional backup camera
- Optional navigation system
Under the Hood
The  1.8-liter engine is augmented by a number of high-efficiency tricks —  among them an electric water pump, exhaust gas recovery, an efficient  automatic transmission and optimized regenerative braking. Coupled with  an electric motor, the drivetrain makes 134 horsepower.
Being a  "full" hybrid, the Prius can drive on electric-only power, gasoline  power or a combination of the two. There's no need to plug it into a  wall outlet.
Like other full hybrids, the car's electric  motor draws power from a trunk-mounted battery that recharges using  braking friction. Drivers can switch between four driving modes: regular  Drive; Eco Mode, which optimizes settings for better mileage; Power  Mode, which increases gas-pedal sensitivity for better acceleration; and  EV-Drive Mode, which attempts to stay in electric mode as long as  possible, provided the battery has enough juice. On a full battery  charge, the Prius can maintain gas-free electric cruising for up to a  mile.
Safety
Safety features include:
- Seven standard airbags, including a driver's knee airbag, front seat-mounted side airbags and front and rear side curtain airbags
- Standard active head restraints
- Standard all-disc antilock brakes, traction control and an electronic stability system
- Optional radar-based adaptive cruise control
- Optional lane-drive warning system
- Optional pre-collision system














 
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