Emission Vehicle (LEV). The latter engine combined with the heavy-duty trailer towing package and appropriate axle ratio can achieve a towing capacity of . Powertrain Safety and security A two air bag supplementary restraint system (SRS) with 2-way occupant protection was standard. The air bags would adjust deployment force depending on crash severity. Features included SecuriLock with smart key and engine immobilizer, security approach lamps, four-wheel anti-lock braking system (ABS), side-intrusion door beams, post-crash fuel pump shut-off and three-point safety belts for all rows of seating with tension and locking retractors. An optional four air bag SRS with 4-way occupant protection was available for the 2000–2002 model years. This included seat-mounted side torso side air bags. The 2001 model introduced a BeltMinder system to detect when the driver did not have their safety belt secured. Model year changes 1998 No major cosmetic or mechanical changes. A new exterior color was added: Wedgewood Blue. Limited availability for 4.6 Windsor versus Romeo engine. This limited run was available only for Ultimate Tow Package. 1999 The 1999 model year received a facelift similar to that of the 1999 model year Ford F-150. Included in the update was a new front grille which now dropped lower in the center, grille work, as well as a new front bumper that incorporated the fog lamps into the lower valance and larger center air intake. Both the 4.6 liter and 5.4 liter V8 engines received updates including more power and torque. The two High mode for automatic full-time ControlTrac four-wheel drive equipped models was dropped, leaving only Auto, Four High (lock), and Four Low (lock) modes. The dashboard also received an updated radio and air conditioning controls and revised gauge cluster and a digital odometer for the first time. 2000 Available features on 2000 models included a hidden radio antenna (integrated into the rear quarter panel window glass), Gentex auto dimming electrochromatic rearview mirrors, lane departure indicators on side view mirrors (before on the glass portion of the mirror). The lower front bumper valance and illuminated running boards were changed over to Arizona beige to complement the standard Arizona beige exterior body trim on Eddie Bauer models. Estate Green Clearcoat Metallic replaces Spruce Green Clearcoat Metallic, and Arizona Beige Metallic replaces Harvest Gold Clearcoat Metallic in the color palette. 2001 New trim packages included the XLT model. XLT versions could be optioned with the XLT No Boundaries