Which Jeep Models Come Equipped with the Selec-Terrain System? When navigating unpredictable weather in Junction City, Kansas—from sudden ice storms on Interstate 70 to deep mud across unpaved Flint Hills backroads—having precision vehicle control is essential. The Jeep Selec-Terrain® Traction Management System is designed to provide optimal grip by allowing drivers to easily dial in tailored performance settings for diverse surface conditions. The Selec-Terrain system is available across a broad spectrum of the Jeep lineup, including the Grand Cherokee, Wagoneer, Grand Wagoneer, Compass, Cherokee, and Renegade. Depending on the model and trim level, Selec-Terrain comes either standard with 4x4 drivetrain configurations or as part of specialized off-road packages such as Trailhawk and Quadra-Trac II. The system electronically coordinates up to 12 vital vehicle subsystems—including the Powertrain Control Module (PCM), Transmission Control Module (TCM), Electronic Stability Control (ESC), Antilock Braking System (ABS), electronic transfer case torque distribution, and throttle response mapping. Jeep Model Selec-Terrain Availability Drivetrain Integration Target Surface Capability Jeep Grand Cherokee Standard on 4x4 Trims (Limited, Overland, Summit, Trailhawk 4xe) Quadra-Trac II / Quadra-Drive II 4WD Snow, Sand/Mud, Sport, Rock (Trailhawk/Overland) Wagoneer & Grand Wagoneer Standard on 4x4 Trims (Series I, II, III) Quadra-Trac II Active 4WD / Quadra-Drive II Snow, Sand/Mud, Sport, Rock Jeep Compass Standard on 4x4 (Limited, Latitude Lux, Trailhawk) Jeep Active Drive / Active Drive Low Auto, Snow, Sand/Mud, Rock (Trailhawk) Jeep Cherokee (Legacy) Standard on 4x4 Trims (Latitude Plus, Trailhawk) Active Drive I / Active Drive II / Active Drive Lock Auto, Snow, Sport, Sand/Mud, Rock Jeep Renegade (Legacy) Standard on Trailhawk & 4x4 Packages Jeep Active Drive Low 4x4 Auto, Snow, Sand, Mud, Rock Meet Mike Hogg: 20 Years of Master Tech Insight at Valor CDJR in Junction City To get a deep technical understanding of how Selec-Terrain works in real-world conditions and how Kansas drivers should prepare their vehicles for freezing temperatures, we sat down with Mike Hogg, Service Director at Valor CDJR in Junction City, KS. With 20 years of hands-on experience servicing Chrysler, Dodge, Jeep, and Ram vehicles throughout Geary and Riley counties, Mike has seen virtually every mechanical challenge caused by Great Plains weather. From sub-zero cold snaps near Fort Riley to slick slush on Highway 77, Mike offers practical knowledge on 4x4 transfer cases, winter tire compounds, and cooling system maintenance. Q: Which specific Jeep models and trim levels include Selec-Terrain as standard or available equipment? Interviewer: Mike, we get a lot of customers asking which Jeep models offer Selec-Terrain and whether it's standard or optional across the lineup. Can you break down how it distributes across trim levels? Mike Hogg: Absolutely. It really comes down to how the vehicle's 4x4 system is configured from the factory. On the flagship Jeep Grand Cherokee, Selec-Terrain comes standard on all 4x4 trims starting from the Limited up through the Overland, Summit, Summit Reserve, and the 4xe Trailhawk plug-in hybrid. On models equipped with Quadra-Trac II or Quadra-Drive II, the control dial sits right in the center console. On full-size luxury models like the Wagoneer and Grand Wagoneer, Selec-Terrain is standard across 4x4 configurations, integrated directly with Quadra-Lift air suspension. For compact SUV buyers looking at the Jeep Compass, Selec-Terrain comes standard on all 4x4 trims such as Latitude Lux, Limited, and Trailhawk. If you're looking for pre-owned inventory, classic models like the Cherokee 4x4 (Trailhawk, Active Drive II) and Renegade 4x4 also carry Selec-Terrain dials. You can check our New Vehicle Listings or explore Used Vehicle Listings to see exact trim availability on our lot today. Q: How do Auto, Sport, Snow, Sand/Mud, and Rock modes dynamically calibrate engine and drivetrain performance? Auto & Sport Modes Auto Mode is your daily driver setting. It operates with a front/rear torque bias that automatically disconnects the front axle when full 4WD isn't needed, saving fuel. If rear wheel slip occurs, it engages the transfer case clutch in milliseconds. Sport Mode alters transmission shift schedules to hold gears longer, sharpens electronic throttle response, and directs up to 80% of torque to the rear axle for dynamic dry-pavement handling. Snow & Sand/Mud Modes Snow Mode sets a 50/50 static torque distribution, forces second-gear launches to prevent initial tire spin, and softens throttle sensitivity so small pedal inputs don't break traction. Sand/Mud Mode allows increased wheel spin to clear tread voids, aggressively delays upshifts, and allows maximum torque delivery to break through heavy mud or loose sand without power cutting. Rock Mode Rock Mode requires shifting into 4WD Low range (4LO). It calibrates the transfer case, Electronic Limited-Slip Differential (eLSD), and ABS Brake Lock Differential (BLD) for maximum slow-speed crawling.
It applies precise selective braking to spinning wheels, sending torque directly to wheels with firm mechanical traction over steep boulders or technical inclines. Browse New Selec-Terrain Models Q: How does Jeep Selec-Terrain Snow Mode adjust performance for Kansas winter driving around Junction City and Manhattan? Interviewer: Mike, Kansas winters around Junction City and Manhattan can bring sudden freezing rain and blowing snow across the Flint Hills. How specifically does Snow Mode help drivers navigate these local conditions? Mike Hogg: Kansas winter driving is tricky because conditions change rapidly. You can start off on slushy wet pavement on I-70, hit black ice on the bridges over the Kansas River, and then turn onto hard-packed snow on rural county roads. When you turn the dial to Snow Mode, three key mechanical changes happen instantly: 1. 2nd-Gear Transmission Launch: The automatic transmission bypasses first gear entirely when accelerating from a dead stop. First gear produces high low-end torque that easily breaks tire friction on slick surfaces. Launching in second gear smoothes power delivery. 2. 50/50 Locked Torque Distribution: The active transfer case pre-emptively clamps its internal clutch pack to split torque evenly (50% front, 50% rear). It doesn't wait for traction loss to react—it stays engaged. 3. Adjusted ABS & Traction Control Calibration: The ABS system modifies pulse frequencies to prevent wheel lockup without digging deep grooves into ice, while Electronic Stability Control reduces engine torque cut thresholds so you don't stall out when pushing through slush banks. Q: Are 3PMSF-rated all-terrain tires as effective on black ice as dedicated studless winter tires? 3PMSF All-Terrain Tires Tires with the Three-Peak Mountain Snowflake (3PMSF) emblem satisfy minimum acceleration standards on packed snow. However, all-terrain rubber compounds are engineered for year-round durability and high heat resistance. Below 45°F, their rubber begins to stiffen, reducing microscopic tread contact on slick black ice. Dedicated Studless Winter Tires Dedicated winter tires utilize specialized hydrophilic silica rubber compounds that remain soft and pliable down to sub-zero temperatures. They feature thousands of 3D micro-sipes that act like tiny suction cups, shearing through thin water films on ice to grip directly onto frozen surface texture. Real-World Stopping Performance On polished black ice at 30 mph, a dedicated winter tire can stop a heavy SUV up to 30 feet shorter than a standard 3PMSF all-terrain tire. While 3PMSF tires excel in deep snow, true winter tires remain unmatched for emergency braking on freeze-thaw ice around Geary County. Q: How many winter seasons do dedicated winter tires typically last on a heavy truck or SUV? Interviewer: Mike, for drivers operating heavy vehicles like a Ram 1500 or Jeep Grand Cherokee L, how long can they expect dedicated winter tires to last? Mike Hogg: On average, a quality set of dedicated winter tires lasts between 3 to 5 winter seasons, or roughly 15,000 to 25,000 miles, assuming you change them out promptly when spring temperatures consistently cross above 45°F. Heavy SUVs and 4x4 trucks generate significant friction on dry, warm asphalt. If you leave soft winter tires on during warm spring months, the specialized compound degrades rapidly. Once tread depth drops below 6/32", the ultra-deep siping loses its suction ability on ice.
We recommend regular tire rotations every 5,000 miles and storing off-season tires in a cool, dark environment away from sunlight. You can consult our Parts Department for factory-approved winter wheel and tire packages fitted directly for your model. Q: What coolant mixture ratio is required for Ram and Jeep engines during Kansas winters? Interviewer: Engine cooling systems are critical during Kansas winter freezes. What is the precise coolant specification and ratio needed for Ram trucks and Jeep vehicles? Mike Hogg: Modern Ram and Jeep engines rely on Mopar Organic Additive Technology (OAT) coolant (typically purple in color). The baseline standard for Kansas is a 50/50 ratio of pure OAT coolant to distilled water, which protects against freezing down to -34°F. For extreme winter conditions or severe cold snaps in open rural areas, a 60/40 coolant-to-water mix lowers freeze protection down to -60°F. Never exceed 70% concentration, as pure coolant actually freezes at higher temperatures than a proper mix!
Using plain tap water causes mineral scale deposits inside aluminum engine blocks, leading to heater core blockage and corrosion. During a pre-winter service at Valor CDJR, our certified technicians test coolant pH and freeze points using calibrated optical refractometers. Schedule Winter Service Online Q: What should a comprehensive pre-winter service inspection cover on a Ram or Jeep in Junction City? 1. Electrical & Battery Health Freezing weather reduces battery chemical reaction speeds, cutting starting power by up to 50%. We conduct conductance and Cold Cranking Amp (CCA) load testing, clean terminal corrosion, and check alternator charging output under load. 2. Drivetrain & Fluid Systems We check front/rear differential gear oil and transfer case fluid for moisture contamination. Brake fluid is moisture-tested to prevent internal hydraulic freeze-up, and OAT coolant levels are verified with optical refractometer testing. 3. Chassis, Wipers & HVAC Inspection of rubber suspension bushings, shocks/struts, winter beam wiper blades, washer fluid pump operation, cabin air filter replacement, and heating/defrosting climate control core output. Q: Is servicing at an authorized Chrysler Dodge Jeep Ram dealer more convenient when bundled? Interviewer: Drivers often debate whether to perform seasonal services piecemeal or get a comprehensive bundle at an authorized dealer. How does dealer servicing save money long-term? Mike Hogg: Preventative bundled maintenance is vastly more convenient than emergency roadside repairs. When you bundle pre-winter checks—like battery testing, 4x4 fluid analysis, and wiper replacement—the labor savings are substantial compared to scheduling separate standalone appointments. Furthermore, at Valor CDJR, our factory-trained technicians utilize OEM Mopar parts backed by a 2-year/unlimited mileage warranty. We connect your vehicle directly to factory diagnostic systems like wiTECH 2.0 to catch flash updates for the PCM and Selec-Terrain control modules that independent shops can't perform. For quick oil changes and routine checks, drivers can also utilize our quick-service Express Lane without needing an appointment. Q: How do Quadra-Lift Air Suspension and Quadra-Trac II work alongside Selec-Terrain in Riley County? Quadra-Trac II 4WD Features a two-speed active transfer case that uses sensors to detect wheel slip before it occurs. When slip is sensed, it instantly routes up to 100% of available engine torque to the axle with the most traction. Quadra-Lift Air Suspension Automatically changes ground clearance based on the Selec-Terrain mode selected. In Rock Mode, it raises ride height up to 10.9 inches to clear deep snow drifts, washed-out ruts, or rocky trails across Riley County. Quadra-Drive II eLSD Integrates an Electronic Limited-Slip Rear Differential (eLSD). It can direct 100% of rear torque to a single rear wheel if the opposite wheel loses traction entirely on black ice or slick mud. Mike Hogg's Final Takeaways for Maintaining Peak 4x4 Capability Year-Round Interviewer: Mike, what are your top closing recommendations for local drivers to keep their Jeep and Ram 4x4 systems running flawlessly through every season? Mike Hogg: My number one piece of advice is: consider testing your 4x4 system before the first snowstorm. Exercise your transfer case and check your drive modes before severe weather hits. Keep these key rules in mind:
• Flush Transfer Case Fluid: Change transfer case and differential fluids every 30,000 to 50,000 miles, especially if towing or off-roading. • Monitor Tire Pressure (TPMS): Ambient temperature drops lower tire pressure by 1 PSI for every 10°F temperature drop. Keep tires properly inflated for consistent Selec-Terrain sensor performance. • Trust Certified Mopar Care: If you're considering trading up or upgrading your winter vehicle, explore your trade value with our Trade In Evaluation tool, or speak with our team about financing information at Get Pre-Approved. Schedule Your Winter Maintenance or Test Drive a Selec-Terrain Equipped Jeep at Valor CDJR Today Whether you're looking to upgrade to a new Selec-Terrain equipped Jeep Grand Cherokee, Wagoneer, or Compass, or you need expert pre-winter maintenance on your current Ram or Jeep 4x4, the experienced service team at Valor CDJR is ready to help. Visit our dealership at 1825 Goldenbelt Blvd, Junction City, KS 66441, Call us at (785) 238-5114, or click below to reserve your service inspection online. Schedule Pre-Winter Inspection Now