I need help deciphering Canadian T4 for US tax reporting on US Form 1040 and Form 2555. Where do I find specific information about how to handle boxes 34, 38, 40 and 14?

1). Box 34 (Personal Use of Employer's Automobile)  Approx CAN$7,500
2). Box 38 (Security Options Benefits)  Approx CAN$250
3). Box 40 (Other Taxable Allowances and Benefits: TAB-GROUP INS 2)  Approx CAN$1,000
4). Box 14 (Employment Income) Approx CAN$108,750.  This is the GRAND TOTAL of the above three items (Boxes 34, 38 and 40) together with CAN$100,000 of ordinary wage earnings.