Shifting Out of Park (P)
Your vehicle has an automatic transmission shift lock control system. You have to fully apply the regular brakes first and then press the shift lever button before you can shift from PARK (P) when the ignition is in RUN.
See also:
When to Inspect the Engine AirCleaner/Filter
Inspect the air cleaner/filter at the Maintenance II
intervals and replace at the first oil change after
each 50,000 mile (83 000 km) interval.
If you are driving in dusty/dirty
conditions, inspec ...
Engine Oil Additives
Do not add anything to the oil. The recommended
oils with the starburst symbol that meet GM
Standard GM6094M are all you will need for good
performance and engine protection. ...
StabiliTrak® System
The vehicle may have a vehicle stability enhancement system called StabiliTrak. It is an advanced computer-controlled system that assists with directional control of the vehicle in difficult driving c ...