Locating cylinder #1 requires a bit more description as it depends on your perspective. Looking at the engine from the front (the radiator side):
* #1 Cylinder is on the passenger side (right side), at the front. It's the furthest forward cylinder on that side.
Keep in mind that you should always consult your owner's manual or a reliable repair manual specific to your vehicle's year and engine for the most accurate information. There are slight variations across different engine builds and years.