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WHAT IS A HYBRID ELECTRIC
VEHICLE
A hybrid vehicle has an electric motor and ahigh voltage battery combined with agasoline engine.
HOW DOES A HYBRID ELECTRIC
VEHICLE WORK
The hybrid vehicle combines electric andgasoline propulsion to provide optimalperformance and improved efficiency.
HYBRID ELECTRIC VEHICLE
DRIVING CHARACTERISTICS
The gasoline engine starts and stops toprovide power when required and to savefuel when not needed. When coasting at lowspeeds, coming to a stop or standing, thegas engine normally shuts down and yourvehicle operates in electric-only mode.
Conditions that may cause the gasolineengine to start or remain running include:
•Considerable vehicle acceleration.
•Driving uphill.
•The high voltage battery charge level islow.
•Heating or cooling the vehicle interior inhigh or low outside temperatures.
•The gasoline engine is below normaloperating temperature.
•Towing a trailer.
•Certain selectable drive modes couldcause the engine to run. See Selectinga Drive Mode (page 338).
Your hybrid vehicle also comes with standardhydraulic braking and regenerative braking.Regenerative braking is performed by yourtransmission and captures brake energy andstores it in the high voltage battery.
You could also notice that your enginecontinues to run instead of shutting off duringextended downhill driving. The engine stayson during this engine braking but is not usingany fuel.
You could also hear a slight whine or whistlewhen operating your vehicle. This is thenormal operation of the electric motor in thehybrid system.
Note:Having your engine running is notalways an indication of inefficiency. In somecases, it is actually more efficient thandriving in electric mode.
HYBRID ELECTRIC VEHICLE
INDICATORS
When you start your vehicle, agreen READY indicator lightappears in the instrument clusterletting you know that your vehicle is readyfor driving.
The engine may not start because yourvehicle has a silent key start feature. Thisfuel saving feature allows your vehicle to beready to drive without requiring the gasengine to be running.
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The indicator remains on when your vehicleis on, whether the engine is running or not,to indicate your vehicle is capable ofmovement using the electric motor, gasengine or both.
Typically, the engine does not start unlessthe vehicle is cold, a climate control changeis requested or you press the acceleratorpedal.
HYBRID ELECTRIC VEHICLE
INFORMATION – TROUBLESHOOTING
HYBRID ELECTRIC VEHICLEINFORMATION – WARNING LAMPS
Illuminates if your vehicle has anelectrical component fault or failurethat causes your vehicle to shutdown or enter a limited operating mode. Amessage may appear in the instrumentcluster display.
HYBRID ELECTRIC VEHICLEINFORMATION – INFORMATIONMESSAGES
ActionMessage
Displays when amalfunction occursin the high voltageelectric system. Stopyour vehicle as soonas it is safe to do so.Have your vehiclechecked as soon aspossible.
Stop Safely Now
HYBRID ELECTRIC VEHICLEINFORMATION – FREQUENTLY ASKEDQUESTIONS
What should I do if the vehicle runs out offuel and the high voltage battery is out ofcharge?
Refuel and start your vehicle normally.The engine will recharge the highvoltage battery.
Why does the engine sometimes start atkey-on?
The vehicle's computer determines if anengine start is required at key-on. Itstarts the engine when necessary forcabin heating, windshield defrost, or ifthe outside temperature is low.
Can I put E15 or E85 in my vehicle, and howwill it affect my fuel economy?
Your hybrid vehicle can use E15 (15%ethanol, 85% gasoline) fuel, but you maynotice slightly reduced fuel economybecause ethanol contains less energyper gallon than gasoline. Your hybridvehicle is not designed to use E85 (85%ethanol).
Why does it take a long time before theengine shuts down?
There are several reasons the enginestays on for an extended amount of timewhen you first start it. One commonreason is to make sure that theemissions components are warmenough to minimize tailpipe emission.As the climate gets cooler, theengine-on time is extended.
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Why does my engine stay on when it isextremely cold outside?
In order to make sure that the climatecontrol system can begin heating thecabin or defrosting the windshield assoon as a driver requests it, the enginecoolant temperature has to be keptsufficiently hot. Keeping the engine onis required to maintain the correctcoolant temperature.
PLUG-IN HYBRID ELECTRIC VEHICLE
INFORMATION
WHAT IS A PLUG-IN HYBRID ELECTRICVEHICLE
A plug-in hybrid electric vehicle combines agasoline engine with an electric motor andrechargeable high voltage battery allowingyou to use only electricity to power yourvehicle.
HOW DOES A PLUG-IN HYBRIDELECTRIC VEHICLE WORK
Charging your vehicle adds electrical energythat propels the vehicle, providing extendedelectric-only driving range. System conditionscould require the engine to operate whileelectric-only range is still available. When theelectric range reaches zero, the powertrainsystem operates as a hybrid electric vehicle.See How Does a Hybrid Electric VehicleWork (page 213).
PLUG-IN HYBRID ELECTRIC VEHICLEDRIVING CHARACTERISTICS
Your plug-in hybrid vehicle shares the drivingcharacteristics of hybrid electric vehicles withthe addition of extended electric- only drivingrange and unique selectable drive modes.See Hybrid Electric Vehicle DrivingCharacteristics (page 213).
The system maximizes the use ofelectric-only operation in normal drive mode.System conditions could require the engineto operate, however, the system uses theavailable electric range whenever possible.
In Pure EV drive mode, your vehicle typicallyuses only electric power. The engineoperates to provide extra power when youfully press the accelerator pedal. Systemconditions may also require the engine tooperate.
Preserve EV drive mode saves the electricrange for later use. If you select this modeand the battery is at full or near full charge,it uses some electric-only range to dischargethe battery. This allows the regenerativebraking system to fully operate. If batterycharge is low when this mode is selected theengine charges the high voltage battery toprovide some electric range for later.
Other drive modes use electric power asnecessary to deliver the selected drive modeexperience. See What Is Drive ModeControl (page 338).
PLUG-IN HYBRID ELECTRIC VEHICLEINDICATORS
When you start your vehicle, agreen ready indicator light appearsin the instrument cluster letting youknow that your vehicle is ready for driving.
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The engine may not start because yourvehicle has a silent key start feature. Thisfuel saving feature allows your vehicle to beready to drive without requiring the gasengine to be running.
The indicator remains on when your vehicleis on, whether the engine is running or not,to indicate your vehicle is capable ofmovement using the electric motor, gasengine or both.
Typically, the engine does not start unlessthe vehicle is cold, a climate control changeis requested or you press the acceleratorpedal.
WHAT IS LOW ENGINE USE MODE
Low engine use mode maintains properengine lubrication at sufficient temperatureand activates when you drive your vehiclewith limited engine operation.
HOW DOES LOW ENGINE USE MODEWORK
When in low engine use mode, your vehicleruns the engine as necessary. When lowengine use mode begins, a message appearsin the information display. If low engine usemode does not complete before you switchyour vehicle off, it continues the next timeyou start your vehicle and the messagereappears.
Note:Pure EV now mode is not availablewhen in low engine use mode.
Note:Cold temperatures affect the enginewarm up time and the low engine use modemay operate more frequently.
Note:An oil change is not required but givesyou the option of not running a low engineuse cycle. Resetting the oil life monitoringsystem suspends the low engine use mode.
PLUG-IN HYBRID ELECTRIC VEHICLE
INFORMATION – TROUBLESHOOTING
PLUG-IN HYBRID ELECTRIC VEHICLEINFORMATION – WARNING LAMPS
Illuminates if your vehicle'selectrical system requires serviceto identify the cause for yourvehicle to shut down or enter a limitedoperating mode. A message may appear inthe instrument cluster display. Have yourvehicle checked as soon as possible.
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PLUG-IN HYBRID ELECTRIC VEHICLEINFORMATION – INFORMATIONMESSAGES
ActionMessage
Your vehicle needsconfirmation it isunplugged beforeallowing a start.Check to make sureyou unplugged yourvehicle and thenrespond to themessage promptbefore starting yourvehicle.
Vehicle Plugged In ?Yes No
Your vehicle detectsit is still plugged inafter you attempt tostart it.
Unplug Prior toStarting Vehicle
Your vehicle enablesthe engine due tothe climate controldefrost setting. Thisis normal operation.
Engine Enabled Dueto Defrost Setting
ActionMessage
For full defrost heat,select a drive modeother than Pure EV.The engine may runto provide morecabin heat.
Change Drive Modefor Full Defrost
Your vehicle enablesthe engine forsystem performance.This is normal opera-tion.
Engine Enabled forSystem Performance
Displays when amalfunction occursin the high voltageelectric system. Stop your vehicle assoon as it is safe todo so. Have yourvehicle checked assoon as possible.
Stop Safely Now
POWER FLOW
WHAT IS POWER FLOW
The power flow shows how power is beingused in the vehicle and also displays reasonsfor engine operation.
HOW DOES POWER FLOW WORK
The power flow information foryour plug-in hybrid vehicle isavailable through the Home screenor under Apps.
Vehicle Operational States
Power flows to or from the front and rearwheels depending on operational state anddriving conditions.
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•Idling: The vehicle is running and in park(P). The engine and, or the high voltagebattery are on.
•Electric driving: The vehicle is runningand in drive (D) or neutral (N). The highvoltage battery provides power to thewheels.
•Hybrid driving: The vehicle is running andin drive (D) or neutral (N). The engine andthe high voltage battery provide powerto the wheels.
•Regenerative braking: The vehicle isrunning in drive (D) and is slowing down.The regenerative braking systemcaptures power and sends it back to thehigh voltage battery.
•Charging: The vehicle is plugged in andthe high voltage battery is being charged.
Engine On Due To
The following conditions help explain whythe engine is on and what you can do toallow all electric operation.
•Drive power: The engine is on due toaccelerator pedal pressure or speedcontrol activation. Reduce pressure onthe accelerator pedal or switch off thespeed control to return to full electricmode.
•High speed: The engine is on becausethe vehicle speed exceeds the level forfull electric operation. Reduce the speedto return to electric operation.
•Heater setting: The engine is on becauseof the heater setting. Reduce or switchoff the heater setting to return to electricoperation.
•Neutral gear: The engine is on becausethe vehicle is in neutral (N). Shift out ofneutral gear to return to electricoperation.
•Engine cold: The engine is on becauseit is cold. The vehicle returns to electricoperation once the engine is sufficientlywarm.
•Battery charging: The engine is on tocharge the high voltage battery. Thevehicle returns to electric operation oncethe battery is sufficiently charged.
•Low gear: The engine is on because thevehicle is in low (L). Shift out of low (L) toreturn to electric operation.
•Normal operation: The engine is on tooptimize vehicle operation. The vehiclereturns to electric operation whenpossible.
•Low use: The engine is on to maintainengine oil quality. The vehicle returns toelectric operation when low engine usemode is complete. See How Does LowEngine Use Mode Work (page 216).
•Engine braking active: The engine is onto provide increased powertrain braking.This can occur when you turn on thegrade assist feature, when speed controlis on or when driving with your foot offthe accelerator pedal. Turning off gradeassist or speed control may allow thevehicle to return to electric operation.
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•Battery temperature: The engine is ondue to high or low high voltage batterytemperature. This is a normal operatingcondition. The vehicle returns to electricoperation when possible.
•Drive mode: The engine is on due to thedrive mode selection. Select anappropriate drive mode for electric onlyoperation.
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WHAT IS AUTO-START-STOP
The system is designed to help reduce fuelconsumption and CO2 emissions by stopping
the engine when it is idling, for example attraffic lights.
AUTO-START-STOP PRECAUTIONS
WARNING: Apply the parking brake,shift into park (P), switch the ignition offand remove the key before you leave yourvehicle. Failure to follow this instructioncould result in personal injury or death.
WARNING: Apply the parking brake,shift into park (P), switch the ignition offand remove the key before you open thehood or have any service or repair workcompleted. If you do not switch the ignitionoff, the engine could restart at any time.Failure to follow this instruction could resultin personal injury or death.
SWITCHING AUTO-START-STOP
ON AND OFF
The system turns on when you switch theignition on.
Press the button to switch thesystem off.
Note:OFF illuminates in the switch.
Note:Deactivating the system using thebutton lasts only one key cycle.
Press the button again to switch the systemback on.
Note: The system turns off if it detects amalfunction. If the system malfunctions,have your vehicle checked as soon aspossible.
STOPPING THE ENGINE
Stop your vehicle, keep your foot on thebrake pedal and the transmission in drive(D).
RESTARTING THE ENGINE
Release the brake pedal or press theaccelerator pedal.
A message appears in the instrument clusterdisplay if the system requires you to takeaction.
AUTO-START-STOP INDICATORS
WARNING: The system may requirethe engine to automatically restart whenthe auto-start-stop indicator illuminatesgreen or flashes amber. Failure to followthis instruction could result in personalinjury.
The Auto-Start-Stop indicatorilluminates green when the enginestops. It flashes amber and amessage appears when you need to takeaction.
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