2006 Pontiac Vibe Owner's Manual - Page 253

When to Add Engine Oil 1.8L L4 (VIN Code 8) Engine See Engine Compartment Overview on page 5-12 for the location of the engine oil fill cap. 1.8L L4 (VIN Code L) Engine If the oil is below the indent at the tip of the dipstick, you will need to add at least one quart/liter of oil. But you must use the right kind. This section explains what kind of oil to use. For engine oil crankcase capacity, see Capacities and Specifications on page 5-96. Notice: Do not add too much oil. If your engine has so much oil that the oil level gets above the upper hole, your engine could be damaged. 5-17 Be sure to add enough oil to put the level somewhere in the proper operating range. Push the dipstick all the way back in when you are through.