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 Mix
VOLATILE MEMORY PROGRAMMING
Electric Window Lifters
Move all the windows to the topmost position and hold the switch pressed down
for 2 seconds.
Sliding Sunroof
Move the sliding roof to the respectiv
OnStar Description and Operation (UE1 with IOB/IO6)
This OnStar system consists of the following components:
Telematics communication interface control module
OnStar three button assembly
Microphone
Cellular antenna
Navigation antenna
Bluetooth antenna (If equipped)
Back up battery (If
DTC P0218
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Refer to Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis: Refer to Strategy
Based Diagnosis
An overview of each diagnostic category can be fou