heater CHEVROLET AVALANCHE 2007 2.G User Guide

The coolant level should be at or above the FULL
COLD mark. If it is not, you may have a leak at the
pressure cap or in the radiator hoses, heater hoses,
radiator, water pump or somewhere else in the
cooling system.
{CAUTION:
Heater and radiator hoses, and other
engine parts, can be very hot. Do not
touch them. If you do, you can be burned.
Do not run the engine if there is a leak.
If you run the engine, it could lose all
coolant. That could cause an engine re,
and you could be burned. Get any leak
xed before you drive the vehicle.
Notice:Engine damage from running your
engine without coolant is not covered by your
warranty. SeeOverheated Engine Protection
Operating Mode on page 463for information
on driving to a safe place in an emergency.
Notice:Using coolant other than DEX-COOL
®
may cause premature engine, heater core,
or radiator corrosion. In addition, the engine
coolant could 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.
465

{CAUTION:
Adding only plain water to your cooling
system can be dangerous. Plain water, or
some other liquid such as alcohol, can
boil before the proper coolant mixture will.
Your vehicle’s coolant warning system is
set for the proper coolant mixture. With
plain water or the wrong mixture, your
engine could get too hot but you would
not get the overheat warning. Your engine
could catch re and you or others could
be burned. Use a 50/50 mixture of clean,
drinkable water and DEX-COOL
®coolant.
Notice:In cold weather, water can freeze and
crack the engine, radiator, heater core and
other parts. Use the recommended coolant
and the proper coolant mixture.
{CAUTION:
You can be burned if you spill coolant
on hot engine parts. Coolant contains
ethylene glycol and it will burn if the
engine parts are hot enough. Do not spill
coolant on a hot engine.
1. You can remove
the coolant surge
tank pressure
cap when the
cooling system,
including the
coolant surge tank
pressure cap and
upper radiator hose,
is no longer hot.
Turn the pressure cap slowly counterclockwise
about one full turn. If you hear a hiss, wait for
that to stop. A hiss means there is still some
pressure left.
467

Content Theft-Deterrent............................... 118
Control of a Vehicle..................................... 356
Coolant
Engine Temperature Gage........................ 249
Heater, Engine......................................... 126
Surge Tank Pressure Cap........................ 460
Cooling System........................................... 464
Cruise Control............................................. 212
Cruise Control Light.................................... 255
Cupholder(s)................................................ 170
Customer Assistance Information
Courtesy Transportation........................... 592
Customer Assistance for Text
Telephone (TTY) Users......................... 586
Customer Assistance Offices.................... 586
Customer Satisfaction Procedure.............. 582
GM Mobility Reimbursement Program...... 588
Reporting Safety Defects to
General Motors..................................... 600
Reporting Safety Defects to the
Canadian Government.......................... 599
Reporting Safety Defects to the
United States Government.................... 599
Roadside Assistance Program.................. 588
Service Publications Ordering
Information........................................... 600D
Daytime Running Lamps............................. 216
Defensive Driving........................................ 352
Delayed Locking.......................................... 103
Disc, MP3..........................................319, 325
Doing Your Own Service Work.................... 434
Dome Lamp Override.................................. 220
Dome Lamps............................................... 220
Door
Delayed Locking...................................... 103
Locks....................................................... 102
Power Door Locks................................... 103
Programmable Automatic Door Locks....... 103
Rear Door Security Locks........................ 104
Driver
Position, Safety Belt................................... 26
Driver Information Center (DIC)................... 257
DIC Operation and Displays............258, 264
DIC Vehicle Customization....................... 278
DIC Warnings and Messages................... 267
Driving
At Night................................................... 385
City.......................................................... 390
Defensive................................................. 352
Drunken................................................... 353
606

Driving (cont.)
Freeway................................................... 391
Hill and Mountain Roads.......................... 394
In Rain and on Wet Roads...................... 387
Off-Road.................................................. 368
Recovery Hooks....................................... 401
Rocking Your Vehicle to Get it Out.......... 400
Winter...................................................... 396
Dual Automatic Climate Control System....... 230
Dual Climate Control System....................... 227
DVD
Rear Seat Entertainment System............. 334
E
Electric Power Management........................ 220
Electrical System
Add-On Equipment................................... 547
Center Instrument Panel Fuse Block........ 550
Fuses and Circuit Breakers...................... 548
Instrument Panel Fuse Block................... 548
Power Windows and Other Power
Options................................................. 547
Underhood Fuse Block............................. 551
Windshield Wiper Fuses........................... 547Engine
Air Cleaner/Filter...................................... 451
Battery..................................................... 475
Check and Service Engine Soon Light..... 250
Coolant.................................................... 457
Coolant Heater......................................... 126
Coolant Temperature Gage...................... 249
Drive Belt Routing.................................... 577
Engine Compartment Overview ................ 444
Exhaust................................................... 143
Fan Noise................................................ 469
Oil ........................................................... 446
Oil Life System........................................ 449
Overheated Protection Operating Mode...... 463
Overheating............................................. 460
Starting.................................................... 124
Entry/Exit Lighting....................................... 220
Event Data Recorders (EDR)...................... 594
Extender, Safety Belt..................................... 44
Exterior Cargo Lamps................................. 219
Exterior Lamps............................................ 215
607

H
Hazard Warning Flashers............................ 206
Head Restraints............................................ 18
Headlamp
Aiming..................................................... 485
Headlamps
Automatic Headlamp System.................... 217
Bulb Replacement.................................... 488
Daytime Running Lamps.......................... 216
Flash-to-Pass........................................... 209
Halogen Bulbs......................................... 488
High/Low Beam Changer......................... 209
On Reminder........................................... 216
Heated Seats................................................ 12
Heater......................................................... 227
Heater......................................................... 230
Highbeam On Light..................................... 256
Highway Hypnosis....................................... 393
Hill and Mountain Roads............................. 394
Hood
Checking Things Under............................ 442
Release................................................... 443
Horn............................................................ 206
How to Use This Manual................................ 4
How to Wear Safety Belts Properly............... 26
I
Ignition Positions......................................... 123
Infants and Young Children,
Restraints.................................................. 48
Ination - Tire Pressure............................... 500
Instrument Panel
Overview.................................................. 204
Instrument Panel (I/P)
Brightness................................................ 219
Cluster..................................................... 240
J
Jump Starting.............................................. 476
K
Keyless Entry System................................... 94
Keys............................................................. 93
609