The diagnosis and repair procedures in a GM Service Manual contain both
general and specific Dangers,
Warnings, Cautions, Notes or Importants. GM is dedicated to the presentation of
service information that
helps the technician to diagnose and repair the systems necessary for the proper
operation
Arrows and Symbols, Acronyms and Units
ARROWS AND SYMBOLS
This service manual uses various symbols in order to describe different
service operations.
Front of Vehicle
View Detail
Ambient Air Mixed with Another Gas or Indicate Temperature Change
Motion or Direction
View Angle
Dimension (1:2)