2010 GMC YUKON HYBRID turn signal bulb

Section 6 Service and Appearance Care
Service. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-2
Doing Your Own Service Work . . . . . . . . . . . . . . . . . . 6-2
Checking Things Under the Hood . . . . . . . . . . . . . . . . .6-3
High Voltage Devices and Wiring . . . . . . . . . . . . . . . 6-3
Engine Compartment Overview . . . . . . . . . . . . . . . . . 6-4
Automatic Transmission Fluid . . . . . . . . . . . . . . . . . . . 6-5
Drive Motor/Generator Control Module (DMCM) Coolant Surge Tank Pressure Cap . . . . . . . . . . . . 6-8
Drive Motor/Generator Control Module (DMCM) Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-9
Power Steering Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
Jump Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-18
Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24
Taillamps, Turn Signal, Stoplamps and Back-up Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24
Replacement Bulbs . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25 Electrical System
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-25
High Voltage Devices and Wiring . . . . . . . . . . . . . . 6-25
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . . . 6-26
Underhood Fuse Block . . . . . . . . . . . . . . . . . . . . . . . . 6-26
Tires . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-28
Inflation - Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . 6-28
Tire Pressure Monitor Operation . . . . . . . . . . . . . . . 6-29
Tire Inspection and Rotation . . . . . . . . . . . . . . . . . . . 6-33
Tire Chains . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-34
If a Tire Goes Flat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-34
Tire Sealant and Compressor Kit (Without Selector Switch) . . . . . . . . . . . . . . . . . . . . 6-35
Tire Sealant and Compressor Kit (With Selector Switch) . . . . . . . . . . . . . . . . . . . . . . . 6-45
Tire Sealant and Compressor Kit Storage . . . . . . 6-55
Appearance Care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-56
Vehicle Care/Appearance Materials . . . . . . . . . . . . 6-56
Capacities and Specifications . . . . . . . . . . . . . . . . . . .6-57
6-1

Bulb Replacement
Taillamps, Turn Signal, Stoplamps
and Back-up Lamps
A. Taillamp/Stoplamp
B. Back-up Lamp
C. Turn Signal Lamp
D. Sidemarker Lamp If the taillamp/stoplamp (A) need to be replaced, see
your dealer/retailer.
1. Open the liftgate. See “Power Liftgate”in the
owner's manual index.2. Remove the two screws from the taillamp assembly.
3. Pull the taillamp assembly rearward until the inner pins on the taillamp assembly are disengaged from
the vehicle.
6-24

4. Press the release tab, if bulb socket has one, andturn the bulb socket counterclockwise to remove it
from the taillamp assembly.
5. Pull the old bulb straight out from the bulb socket.
6. Press a new bulb into the bulb socket and insert it into the taillamp assembly. Turn the bulb socket
clockwise into the taillamp assembly until it clicks.
7. Reinstall the taillamp assembly. When reinstalling, make sure to line up the pins on the taillamp
assembly with the vehicle. If this is not done the
taillamp assembly cannot be correctly installed.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp and Rear Turn
Signal Lamp 3156
Sidemarker Lamp 194
For replacement bulbs not listed here, contact your
dealer/retailer.
Electrical System
High Voltage Devices and Wiring
{WARNING:
Exposure to high voltage can cause shock, burns,
and even death. The high voltage systems in your
vehicle can only be serviced by technicians with
special training.
High voltage devices are identified by labels.
Do not remove, open, take apart, or modify
these devices. High voltage cable or wiring has
orange covering. Do not probe, tamper with, cut,
or modify high voltage cable or wiring.
6-25

A
Alternating CurrentPower Outlet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Antilock Brake System (ABS) Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Audio System(s) Navigation/Radio System . . . . . . . . . . . . . . . . . . . . . . . . . 4-14
Automatic Transmission, Fluid . . . . . . . . . . . . . . . . . . . . . . .6-5
B
Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-16
Belt Routing, Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-2
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-13 Regenerative Braking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
System Warning Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Bulb Replacement Taillamps, Turn Signal, Stoplamps andBack-up Lamps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-24
C
Canadian Owners . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ii
Capacities and Specifications . . . . . . . . . . . . . . . . . . . . . . 6-57
Chains, Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-34
Charging System Light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
Climate Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2
Compressor Kit, Tire Sealant . . . . . . . . . . . . . . . . 6-35, 6-45
Coolant
Engine Temperature Gage . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Coolant Surge Tank Pressure Cap, (DMCM) . . . . . . . . .6-8
Cooling System, (DMCM) . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-9
D
Drive Motor/Generator Control Module (DMCM) Coolant Surge Tank Pressure Cap . . . . . . . . . . . . . . . . .6-8
Drive Motor/Generator Control Module (DMCM) Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-9
Driver Information Center (DIC) . . . . . . . . . . . . . . . . . . . . 4-12
Warnings and Messages . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
i - 1