Ask yourself – how can the bottle, marked with both a letter and a number, help me?
The bottles are numbered in a chart. Try to decipher what is the row for the letters and what is the column for the numbers. Then, figure out the name of the bottle you will discover.
The Subaru model is B4. This leads us to row B and column 4 in the bottle-chart. Searching for the blue bottle, we will then discover that it’s name is BOMBAY and therefore the answer is...