Do you need to shift in and out of 4WD AWD as road conditions dictate?
Do you need to shift in and out of 4WD AWD as road conditions dictate? Older 4WD systems must be manually shifted between 2WD and 4WD and from 4HI to 4LO while the vehicle is stopped. Newer s 4 wheel drive systems have electronic push button 'on the fly' features that let you shift while driving. An AWD car can deliver all engine torque to all four wheels all the time. How to properly engage / disengage the 4WD system? 1: I come to a stop, and put the transmission in neutral and apply parking brake. 2: I depress the...