change the oil
3.9 quarts
4.2
5 w 30
5w-30 or 5w-20
The oil filter on a 2006 Scion tC is located on passenger side directly behind the front bumper, and beside the tire. It's an easy reach and can be seen just by jacking the car up a few inches.
motor oil
The 2UZ-FE V8 engine in the 2006 Toyota Tundra requires 6.6 quarts of engine oil.
motor oil... preferably with techron
I would like to see the location of oil filter for 2006 Highlander Toyota.
From the 2006 Scion xB owners manual (pg 229): Recommended oil viscosity: 5W-30 Oil Capacity: w filter 3.7 Liters / 3.9 quarts / 3.3imp quarts w/o filter 3.4 Liters / 3.6quarts / 3.0 imp. quarts
5w-30