OnStar
Keys and LocksWhen to Change Engine Oil
This vehicle has a computer system that indicates when to change the engine oil
and filter. This is based on a combination of factors which include engine revolutions,
engine temperature, and miles driven. Based on driving conditions, the mileage at
which an oil change is indicated can vary co ...
Park Brake Hardware Inspection
Warning: Refer to Brake Dust Warning.
Visually inspect the park brake lever (1) and the lever pivot pin (2) for
the following conditions:
The lever being bent or broken at any point – particularly at the cable
attachment
A seized or binding condition ...
Water Inlet Replacement (LUV)
Removal Procedure
Drain the cooling system. Refer to Cooling System Draining and Filling.
Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct
Replacement.
Remove the engine coolant temperature sensor connector (1) and the radiator
ou ...