2005 GMC YUKON XL warning lights

Notice:Use of automatic transmission uid labeled
other than DEXRON®-III, Approved for the
H-Specication, may damage your vehicle, and the
damages may not be covered by your warranty.
Always use automatic transmission uid labeled
DEXRON
®-III, Approved for the H-Specication.
After adding uid, recheck the uid level as
described under “How to Check,” earlier in
this section.
When the correct uid level is obtained, push the
dipstick back in all the way; then ip the handle
down to lock the dipstick in place.
Engine Coolant
The cooling system in your vehicle is lled with
DEX-COOL®engine coolant. This coolant is designed
to remain in your vehicle for ve years or 150,000 miles
(240 000 km), whichever occurs rst, if you add only
DEX-COOL
®extended life coolant.
The following explains your cooling system and how to
add coolant when it is low. If you have a problem with
engine overheating, seeEngine Overheating on
page 5-28.A 50/50 mixture of clean, drinkable water and
DEX-COOL
®coolant will:
Give freezing protection down to−34°F (−37°C).
Give boiling protection up to 265°F (129°C).
Protect against rust and corrosion.
Help keep the proper engine temperature.
Let the warning lights and gages work as they
should.
Notice:Using coolant other than DEX-COOL
®may
cause premature engine, heater core or radiator
corrosion. In addition, the engine coolant may
require changing sooner, at 30,000 miles (50 000 km)
or 24 months, whichever occurs rst. Any repairs
would not be covered by your warranty. Always use
DEX-COOL
®(silicate-free) coolant in your vehicle.
5-25

Vehicle Data Collection and Event Data
Recorders..................................................7-10
Vehicle Identication
Number (VIN)............................................5-104
Service Parts Identication Label..................5-104
Vehicle Personalization
Memory Seat..............................................2-48
Ventilation Adjustment......................................3-25
Visors...........................................................2-17
Voltmeter Gage..............................................3-34
W
Warning Lights, Gages and Indicators................3-28
Warnings
DIC Warnings and Messages........................3-50
Hazard Warning Flashers............................... 3-6
Other Warning Devices.................................. 3-6
Safety and Symbols......................................... iii
Vehicle Damage.............................................. iv
Wheels
Alignment and Tire Balance..........................5-71
Replacement...............................................5-72Where to Put the Restraint...............................1-56
Windows.......................................................2-15
Power........................................................2-16
Windshield
Backglass, and Wiper Blades, Cleaning........5-100
Windshield Washer.........................................3-10
Fluid..........................................................5-37
Windshield Wiper
Blade Replacement......................................5-55
Fuses......................................................5-105
Windshield Wipers......................................... 3-9
Winter Driving................................................4-38X
XM™ Satellite Radio Antenna System..............3-102
Y
Your Vehicle and the Environment....................... 6-2
14