Here's how it works:
* Normally Front-Wheel Drive (FWD): Under normal driving conditions, the Escape Hybrid operates as a front-wheel-drive vehicle. Power is sent only to the front wheels.
* Automatic Engagement of Rear Wheels: When the system detects wheel slip or a loss of traction in the front wheels (e.g., on slippery roads, accelerating on loose surfaces), a clutch pack engages, sending power to the rear wheels. This happens seamlessly and automatically; the driver doesn't control it.
* Electric Motor Assist: The iAWD system cleverly uses the hybrid's electric motor to assist in transferring power to the rear wheels. This makes the system more efficient than a purely mechanical 4WD system.
* No Low Range: Unlike true 4WD systems with a low range gear, the Escape Hybrid's iAWD is designed for improved traction on slippery surfaces, not for off-roading or towing heavy loads. It's primarily for improved handling and stability in adverse conditions.
In short, the 2009 Escape Hybrid's iAWD provides enhanced traction by automatically transferring power to the rear wheels when needed, but it's not a full-time or manually selectable 4WD system. It's best suited for improving handling in inclement weather rather than tackling challenging off-road terrain.
