Owner's Manual
Page 372
...and Chassis Lubrication Scheduled Maintenance Change engine oil and filter as indicated by the GM Oil Life Systemt (or every 12 months, whichever occurs first). Ball joints should not be lubricated unless their temperature is 10_F (-12_C) or higher, or they could be sure to change your oil and filter every ...you when to reset the Oil Life System when the oil and filter have been changed. An Emission Control Service. Lubricate the front suspension, ball joints, steering linkage, transmission shift linkage, transfer case shift linkage, parking brake cable guides, and brake front axle.
...and Chassis Lubrication Scheduled Maintenance Change engine oil and filter as indicated by the GM Oil Life Systemt (or every 12 months, whichever occurs first). Ball joints should not be lubricated unless their temperature is 10_F (-12_C) or higher, or they could be sure to change your oil and filter every ...you when to reset the Oil Life System when the oil and filter have been changed. An Emission Control Service. Lubricate the front suspension, ball joints, steering linkage, transmission shift linkage, transfer case shift linkage, parking brake cable guides, and brake front axle.