insta-trac is the Chevrolet's term for its System that gives a vehicle the ability to shift from two to four wheel drive without stopping, rather than making the driver leave the vehicle to manually engage the hubs at each wheel.
Insta-Trac is a type of 4-wheel drive system that is available on some Chevrolet trucks and SUVs. It allows the driver to switch between 2WD and 4WD on the fly, without having to stop the vehicle. This feature allows the driver to adapt to changing road conditions, such as going from pavement to dirt or gravel.
For example, the Chevrolet Silverado 1500 and the Chevrolet Suburban come with an available 4-wheel drive system called Insta-Trac, which allows the driver to switch between 2WD and 4WD while driving, this feature is useful in situations where the driver needs more traction, such as when driving on slippery or uneven roads.
Insta-Trac is an optional feature that is available on some Chevrolet models, and it's designed to improve the vehicle's capability in different types of terrain and weather conditions. This 4-wheel drive system is designed to provide better traction and stability, and it can be useful for those who drive in areas with snowy or rainy weather.
Overall, Insta-Trac is a type of 4-wheel drive system that is available on some Chevrolet trucks and SUVs, it allows the driver to switch between 2WD and 4WD on the fly, without having to stop the vehicle, which improves the vehicle's capability in different types of terrain and weather conditions.