2005 GMC Envoy Owner's Manual - Page 104

Shifting into NEUTRAL Before shifting the transfer case to NEUTRAL, first make sure the vehicle is parked so that it will not roll. 1. Set the parking brake. 2. Start the vehicle. 3. Put the transmission in NEUTRAL (N). 4. Shift the transfer case to 2HI. 5. Turn the transfer case knob all of the way past four-wheel low and hold it there for a minimum of 10 seconds. The neutral indicator light will come on. 6. With the engine running, shift the transmission to REVERSE (R) for one second, then shift the transmission to DRIVE (D) for one second, to ensure transfer case is in NEUTRAL. 7. Turn the engine off, by turning the key to ACCESSORY. 8. Place the transmission shift lever in PARK (P). 9. Turn the ignition to LOCK. Shifting Out of NEUTRAL To shift the transfer case out of NEUTRAL, do the following: 1. Set the parking brake and apply the regular brake pedal. 2. Turn the ignition to RUN with the engine off. 3. Put the transmission in NEUTRAL (N). 4. Turn the transfer case knob to the desired position (2 HI, 4HI, or A4WD). 5. After the transfer case has shifted out of NEUTRAL, the indicator light will go out. 6. Release the parking brake. 7. You may start the engine and shift the transmission to the desired position. 2-30