2006 Chevrolet Avalanche Owner's Manual - Page 111

If the Four-Wheel High, AUTO 4WD or Two-Wheel High switch is pressed when your vehicle is in gear and/or moving, the Four-Wheel High, AUTO 4WD or Two-Wheel High indicator light will flash for 30 seconds but will not complete the shift unless your vehicle is moving less than 3 mph (5 km/h) and the transmission is in NEUTRAL (N). 7. If the engine is running, verify that the transmission is in NEUTRAL (N) by shifting the transmission to REVERSE (R) for one second, then shift the transmission to DRIVE (D) for one second. 8. Turn the ignition to ACCESSORY, which will turn the engine off. 9. Place the transmission shift lever in PARK (P). 10. Turn the ignition to LOCK. Shifting into NEUTRAL To shift the transfer case to NEUTRAL do the following: 1. Make sure the vehicle is parked so that it will not roll. 2. Set the parking brake. See Parking Brake on page 2-38 for more information. 3. Start the vehicle or turn the ignition to RUN. 4. Put the transmission in NEUTRAL (N). 5. Shift the transfer case to Two-Wheel High. 6. Simultaneously press and hold the Two-Wheel High and Four-Wheel Low buttons for 10 seconds. The NEUTRAL light will come on when the transfer case shift to NEUTRAL is complete. Shifting Out of NEUTRAL To shift out of NEUTRAL do the following: 1. Set the parking brake and apply the regular brake pedal. 2. Shift the transmission to NEUTRAL (N) and turn the ignition to RUN with the engine off. 3. Press the button for the desired transfer case shift position (Two-Wheel High, Four-Wheel High, AUTO 4WD, or Four-Wheel Low). After the transfer case has shifted out of NEUTRAL the NEUTRAL light will go out. 2-37