home Maintenance Engine Oil Checking the Engine Oil Engine Oil Checking the Engine Oil If the engine is cold, idle the engine for 3 to 5 minutes. Turn the ignition switch to the (Off) position and wait for 2 to 3 minutes. Place your vehicle in an upright position on a firm, level surface. Check that the oil level is between the upper level and lower level marks on the oil level inspection window. Oil fill cap Oil level inspection window Upper level Lower level Recommended topic(s) Checking the Coolant Adding Engine Oil Checking Brake Fluid Previous Next