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Gasoline/Electric Hybrid Vehicle Update 08
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What is a true hybrid vehicle?  

• A vehicle using both a gasoline engine
• and an electric motor for drive power

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1st generation hybrids
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2nd generation Prius
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New Honda hybrids Accord Camry
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A Toyota Hybrid SUV
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Ford Escape Hybrid SUV
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Honda Insight Hybrid Hyundai Accent Hybrid Lexus
RX400h Hybrid Lexus 450h GS Hybrid Mazda Tribute
SUV Hybrid Mazda Ibuki Hybrid Mazda RX-8
Hybrid Mazda Senku Concept Mercedes Smart
ForTwo Mercury Hybrid SUV Nissan Altima Hybrid
Saturn VUE Hybrid Subaru B9 SC Hybrid Toyota
Prius Hybrid Toyota Camry Hybrid Toyota
Highlander SUV Hybrid

• Audi Q7 SUV Hybrid
• BMW X5 SAV
• Chevy S3X Hybrid
• Chevy Equinox Hybrid
• Chevy Tahoe Hybrid
• Chevy Malibu Hybrid
• Dodge Durango SUV Hybrid
• Dodge ESX3 Hybrid
• Ford Escape Hybrid
• Ford Explorer Hybrid
• Ford Fusion Hybrid
• GM Opel Astra Hybrid
• GMC Graphyte Concept
• GMC Yukon Hybrid
• Honda Civic Hybrid
• Honda Accord Hybrid

Hybrids of today tomorrow
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• HYBRID TRUCKS
• Dodge Ram Hybrid
• Chevy Silverado Hybrid
• GMC Sierra Hybrid
• HYBRID MINIVANS
• Toyota Estima Minivan Hybrid
• Toyota Alphard Minivan Hybrid
• Toyota Sienna Minivan Hybrid
• HYBRID CROSSOVERS
• Hyundai Portico Hybrid
• Nissan Tino Hybrid

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Electric motor along with a gasoline engine for
power
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Two Electrical Systems
  Every hybrid vehicle has two separate
batteries one 12 volt battery one
high voltage battery
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12-volt battery locations
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Ford Escape Hybrid
300 volts
HV-battery locations trunk, behind back seat,
under back seat or under rear cargo area
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All high voltage batteries contain
potassium hydroxide(KOH) solution   The
electrolyte gel has a pH of 13.5   Potassium
hydroxide(KOH) is highly alkaline(base)   Hazmat
information on potassium hydroxide solution
listed in Emergency Response Guidebook Guide
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• Because liquid solution is absorbed,
• these high-voltage batteries
• are considered to be dry cell batteries
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• classified as exempt articles by US DOT

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Toyota Prius battery with metal cover removed
Liquid inside battery almost totally absorbed
Prius Ni-MH Battery
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The D cell style high voltage battery
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Honda battery pack consists of 120 cells
that  resemble D-cell flashlight batteries  
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The loaf of bread high voltage battery
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Cutting open a cell did not cause a fire
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High voltage runs from the high-voltage battery
to the electric motor
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On most hybrids, high voltage wiring connectors
are bright orange
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All HV cables run under the floorpan rear to
front
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HV cables are double insulated
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ALL orange wiring or orange connectors on a
hybrid are high voltage!
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CAUTION Not all hybrid high voltage wiring is
bright orange not all high voltage wiring
carries DC current
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06 Toyota Highlander gasoline- electric hybrid
vehicle

• Power Cables
• Orange and yellow colored power cables carry
  high voltage Direct Current (DC) between the HV
  battery pack and inverter/converter. Also carries
  3-phase Alternating Current (AC) between
  inverter/converter, motor, generator, and A/C
  compressor.

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Toyota Highlander Hybrid 2007
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Yellow wiring for high voltage!
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2007 Saturn VUE Hybrid with 36v DC system
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2007 Saturn VUE Hybrid with Blue wiring
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Gasoline-electric hybrid vehicle

• High-voltage cables will be
• Orange, or
• Yellow, or
• Blue

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Safety Features

• Dual frontal airbags-
• Seat airbags-
• Roof airbags
• Pre-tensioners-

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Lexus RX 400h
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The Silent Hybrid
Hybrid vehicle SLEEP mode
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Vehicle appears to be OFF except for one
ready light which will be illuminated
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Toyotas Prius READY light
Be alert to the sleeping hybrid at your crash
scene!
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Turn ignition OFF and remove ignition Key
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The SMART key a keyless ignition system
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16 FEET
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The SMART key may be inserted into slot in dash
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1st push Accessory, 2nd ON, 3rd OFF
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Interior of a Lexus with SMART key
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No column-mounted ignition switch.. Only button
on dash
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High-voltage battery cell fire testing
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Burn test of 2001 Toyota Prius
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Vehicle Fire- Follow normal vehicle
firefighting procedures for fire involving
a hybrid vehicle
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Fire crews will not be shocked or electrocuted
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2007 Silverado or Sierra Hybrid Pickup
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One 12-volt battery is under the hood
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42v battery Master shutoff switch behind end
panel
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42v battery shutoff switch
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One 120 volt electrical receptacle inside cab
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Orange120-volt AC line runs under bed of pickup
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Second 120v receptacle in bed of pickup
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Pickup can generate 120-volt AC with engine shut
off
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Future Hybrids The GM Volt Concept Car
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• Drives by electric motor only.
• HV battery recharges with plug in cord.
• 3 cylinder gasoline engine only recharges
  battery.
• 40 mile range for electric travel.
• Gasoline engine recharges battery for maximum
  range
• of 300 miles using 5 gallons of gasoline.

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GMs 2008 Tahoe Yukon Hybrid
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• Hybrid vehicle Lock Out-Tag Out protocols
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• Identify vehicle as hybrid . . .
• Stabilize vehicle. . .
• Access passenger compartment . . .
• Shift gear selector/ parking brake lever . . .
• Turn ignition OFF
• Check that dash indicator light goes out . .
• Disconnect/shutdown 12v battery or batteries. .
  .

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•  
• Additional steps recommended in
• Individual manufacturers
• Emergency Response Guides. For example
• Hybrid Silverado or Sierra pickup
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• Leave hood open
• Turn 42-volt Battery switch to OFF

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Please review online free Emergency Response
Guides
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Rmoore_at_firehouse.com
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University of Extrication