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Chevy uses an electronic control to transfer the power from two-wheel drive to four-wheel drive. It’s no longer necessary to exit the vehicle and manually lock the hubs on the front wheels. This 4x4 system is operated with a transfer case knob on the dash board. Some Chevy systems are two-speed and some single speed. The most elaborate systems have five driving settings. Problem with the system can often be related to knob settings.
Step 1
Turn the transfer case knob that’s to the left of the steering wheel to the two-wheel drive position that’s marked with a “2” and up-arrow icon if you experience a vibration in the steering when driving on dry pavement or making tight turns. The laws of physics mean that a tight turn in four-wheel-drive causes forces to work against each other.
Step 2
Check the indicator lights in the knob to find out what driving setting you are in if the vehicle exhibits any unusual behavior. The lights will correspond to the “2” and up-arrow position for two-wheel-drive high, “4” and down-arrow for four-wheel drive low, and so on. Wait for flashing lights to stop before shifting the knob.
Don’t shift the knob too frequently if the transfer case enters shift protection mode. Shift protection mode comes into play to stop damage. It will stop the transfer case from shifting for ten seconds at a time. This protection mode can stay in place for up to three minutes.
