2015 Jeep Grand Cherokee User Guide SRT - Page 158

2015 Jeep Grand Cherokee Manual

Page 158 highlights

OFF-ROAD CAPABILITIES (4WD OPERATION) SELEC-TERRAIN™ Selec-Terrain™ combines the capabilities of the vehicle control systems, along with driver input, to provide the best performance for all terrains. Rotate the mode control knob to select the following Selec-Terrain™ positions: Snow - Tuning set for additional stability in inclement weather. Use on and off road on loose traction surfaces such as snow. When in Snow mode (depending on certain operating conditions), the transmission may use second gear (rather than first gear) during launches, to minimize wheel slippage. If equipped with air suspension, the level will change to Normal Ride Height (NRH). Auto - Fully automatic full time four-wheel drive operation can be used on and off road. Balances traction with seamless steering feel to provide improved handling and acceleration over two-wheel drive vehicles. If equipped with air suspension, the level will change to NRH. Sand - Off road calibration for use on low traction surfaces such as sand or wet grass. Driveline is maximized for traction. Some binding may be felt on less forgiving surfaces. The electronic brake controls are set to limit traction control management of throttle and wheel spin. If equipped with air suspension, the level will change to NRH. Mud - Off road calibration for use on low traction surfaces such as mud. Driveline is maximized for traction. Some binding may be felt on less forgiving surfaces. The electronic brake controls are set to limit traction control management of throttle and wheel spin. If equipped with air suspension, the level will change to Off-Road 1. Rock - Off-road calibration only available in 4WD Low range. The vehicle is raised (if equipped with Air Suspension) for improved ground clearance. Traction based tuning with improved steer-ability for use on high traction off-road surfaces. Activate the Hill Descent Control for steep downhill control. Use for low speed obstacles such as large rocks, deep ruts, etc. If equipped with air suspension, the vehicle level will change to Off-Road 2. If the Selec-Terrain™ switch is in ROCK mode, and the transfer case is switched from 4WD Low to 4WD High, the Selec-Terrain™ system will return to AUTO. 156

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SELEC-TERRAIN™
Selec-Terrain™combinesthecapabilitiesofthevehiclecontrolsystems,alongwith
driver input, to provide the best performance for all terrains.
Rotate the mode control knob to select the following Selec-Terrain™ positions:
Snow
–Tuningsetforadditionalstabilityininclementweather.Useonandoffroad
onloosetractionsurfacessuchassnow.WheninSnowmode(dependingoncertain
operatingconditions),thetransmissionmayusesecondgear(ratherthanfirstgear)
during launches, to minimize wheel slippage. If equipped with air suspension, the
level will change to Normal Ride Height (NRH).
Auto
– Fully automatic full time four-wheel drive operation can be used on and off
road.Balancestractionwithseamlesssteeringfeeltoprovideimprovedhandlingand
accelerationovertwo-wheeldrivevehicles.Ifequippedwithairsuspension,thelevel
will change to NRH.
Sand
–Offroadcalibrationforuseonlowtractionsurfacessuchassandorwetgrass.
Driveline is maximized for traction. Some binding may be felt on less forgiving
surfaces.Theelectronicbrakecontrolsaresettolimittractioncontrolmanagement
of throttle and wheel spin. If equipped with air suspension, the level will change to
NRH.
Mud
–Offroadcalibrationforuseonlowtractionsurfacessuchasmud.Drivelineis
maximized for traction. Some binding may be felt on less forgiving surfaces. The
electronicbrakecontrolsaresettolimittractioncontrolmanagementofthrottleand
wheel spin. If equipped with air suspension, the level will change to Off-Road 1.
Rock
–Off-roadcalibrationonlyavailablein4WDLowrange.Thevehicleisraised(if
equippedwithAirSuspension)forimprovedgroundclearance.Tractionbasedtuning
withimprovedsteer-abilityforuseonhightractionoff-roadsurfaces.ActivatetheHill
DescentControlforsteepdownhillcontrol.Useforlowspeedobstaclessuchaslarge
rocks, deep ruts, etc. If equipped with air suspension, the vehicle level will change
toOff-Road2.IftheSelec-Terrain™switchisinROCKmode,andthetransfercase
is switched from 4WD Low to 4WD High, the Selec-Terrain™ system will return to
AUTO.
OFF-ROAD CAPABILITIES (4WD OPERATION)
156