Page 415 of 470
Fuses Usage
CRUISE Cruise Control
UNLOCKPower Door Lock Relay
(Unlock Function)
RR FOG LP Not Used
BRAKE Brake Switch
DRIVER UNLOCKPower Door Lock Relay
(Driver’s Door Unlock
Function)
IGN 0Brake Transmission Shift
Interlock, Powertrain Control
Module, Transmission
TBC IGN 0 Truck Body Controller
VEH CHMSLVehicle and Trailer High
Mounted Stoplamp
LT TRLR ST/TRN Left Turn Signal/Stop Trailer
LT TRNLeft Turn Signals and
Sidemarkers
VEH STOPVehicle Stoplamps, Brake
Module, Electronic Throttle
Control ModuleFuses Usage
RT TRLR ST/TRN Right Turn Signal/Stop Trailer
RT TRNRight Turn Signals and
Sidemarkers
BODY Harness Connector
DDM Driver Door Module
AUX PWR 2Instrument Panel Outlets,
Rear Cargo Area Power
Outlets
LOCKSRear Doors and Liftgate
Power Lock Relay Feed
ECC Liftgate
TBC 2C Truck Body Controller
FLASH Flasher Module
CB LT DOORSLeft Rear Power Window
Circuit Breaker and Driver
Door Module
TBC 2B Truck Body Controller
TBC 2A Truck Body Controller
5-109
Page 460 of 470

Content Theft-Deterrent....................................2-16
Control of a Vehicle.......................................... 4-5
Convenience Net............................................2-42
Coolant
Engine Temperature Gage............................3-41
Heater, Engine............................................2-21
Surge Tank Pressure Cap.............................5-26
Cooled Seats...........................................1-5, 1-10
Cooling System..............................................5-28
Cruise Control................................................3-10
Cruise Control Light........................................3-47
Cupholder(s)..................................................2-40
Customer Assistance Information
Courtesy Transportation.................................. 7-7
Customer Assistance for Text
Telephone (TTY) Users............................... 7-4
Customer Assistance Offices........................... 7-4
Customer Satisfaction Procedure..................... 7-2
GM Mobility Reimbursement Program............... 7-5
Reporting Safety Defects to General Motors....7-11
Reporting Safety Defects to the Canadian
Government............................................7-11
Reporting Safety Defects to the
United States Government.........................7-10
Roadside Service.......................................... 7-5
Service Publications Ordering Information........7-11D
Daytime Running Lamps..................................3-15
Defensive Driving............................................. 4-2
Delayed Locking............................................... 2-9
Diversity Antenna System...............................3-104
Doing Your Own Service Work........................... 5-4
Dome Lamps.................................................3-17
Door
Delayed Locking........................................... 2-9
Locks.......................................................... 2-8
Power Door Locks......................................... 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12
Driver
Position, Safety Belt.....................................1-32
Driver Information Center (DIC).........................3-49
DIC Operation and Displays..........................3-50
DIC Vehicle Customization............................3-63
DIC Warnings and Messages........................3-53
Driving
At Night.....................................................4-29
City...........................................................4-33
Defensive..................................................... 4-2
Drunken....................................................... 4-2
Freeway.....................................................4-34
4
Page 464 of 470

Light
Airbag Readiness........................................3-34
Anti-Lock Brake System Warning...................3-39
Brake System Warning.................................3-38
Charging System.........................................3-37
Cruise Control.............................................3-47
Highbeam On.............................................3-48
Low Fuel Warning.......................................3-49
Low Tire Pressure Warning Light...................3-40
Malfunction Indicator....................................3-43
Passenger Airbag Status Indicator..................3-35
Safety Belt Reminder...................................3-33
Security.....................................................3-47
Tow/Haul Mode...........................................3-48
Traction Off................................................3-40
Lighting
Entry/Exit...................................................3-17
Loading Your Vehicle.......................................4-44
Lockout Protection..........................................2-12
Locks
Delayed Locking........................................... 2-9
Door........................................................... 2-8
Lockout Protection.......................................2-12
Power Door.................................................. 2-9
Programmable Automatic Door Locks.............2-10
Rear Door Security Locks.............................2-12Loss of Control...............................................4-15
Low Fuel Warning Light...................................3-49
Luggage Carrier..............................................2-41
Lumbar
Power Controls............................................. 1-4
M
Maintenance Schedule
Additional Required Services........................... 6-7
At Each Fuel Fill.........................................6-10
At Least Once a Month................................6-11
At Least Once a Year..................................6-11
Introduction.................................................. 6-2
Maintenance Footnotes.................................. 6-8
Maintenance Record....................................6-17
Maintenance Requirements............................. 6-2
Normal Maintenance Replacement Parts.........6-16
Owner Checks and Services.........................6-10
Recommended Fluids and Lubricants.............6-14
Scheduled Maintenance................................. 6-5
Using.......................................................... 6-3
Your Vehicle and the Environment................... 6-2
Malfunction Indicator Light................................3-43
Memory Seat.................................................2-45
8