2010 Jeep Wrangler Owner's Manual - Page 377

376 STARTING AND OPERATING HSA Activation Criteria The system will only work if the intended direction of the The following criteria must be met in order for HSA to vehicle and vehicle gear match. For example, if the activate: intended direction is forward up a hill and the vehicle is in DRIVE (automatic transmission equipped vehicle), • Vehicle must be stopped and the activation criteria are met, HSA will activate. • Vehicle must be on an 8% or greater incline (3% for HSA on Automatic Transmission Vehicles manual transmission equipped vehicles) The system will work in REVERSE, and all forward gears • Gear selection matches vehicle uphill direction (i.e., on vehicles equipped with an automatic transmission. vehicle facing uphill is in forward gear; vehicle back- The system will not activate if the vehicle is placed in ing uphill is in REVERSE gear). NEUTRAL. WARNING! There may be situations on minor hills (i.e., less than 8%), with a loaded vehicle, or while pulling a trailer where the system will not activate and slight rolling may occur, which could cause a collision with another vehicle or object. Always remember the driver is responsible for braking the vehicle. HSA on Manual Transmission Vehicles The system will work in REVERSE, forward gears, and NEUTRAL on manual transmission equipped vehicles. The system does not recognize NEUTRAL on manual vehicles, thus it will hold the vehicle on an incline for a short period while in NEUTRAL, regardless of clutch position. To prevent this, do not attempt to roll down a hill simply by putting the transmission in NEUTRAL and