engine coolant CHEVROLET SILVERADO 2007 1.G Owner's Guide

Park on a fairly steep hill, with the vehicle facing
downhill. Keeping your foot on the regular
brake, set the parking brake.
To check the parking brake’s holding ability:
With the engine running and transmission in
NEUTRAL (N), slowly remove foot pressure
from the regular brake pedal. Do this until the
vehicle is held by the parking brake only.
To check the PARK (P) mechanism’s holding
ability: With the engine running, shift to
PARK (P). Then release the parking brake
followed by the regular brake.
Contact your GM Goodwrench
®dealer if service
is required.
Underbody Flushing Service
At least every spring, use plain water to ush any
corrosive materials from the underbody. Take
care to clean thoroughly any areas where mud and
other debris can collect.
Recommended Fluids and
Lubricants
This maintenance section applies to vehicles with
a gasoline engine. If your vehicle has a diesel
engine, see the maintenance schedule section in
the DURAMAX
®Diesel Engine Supplement.
Fluids and lubricants identied below by name,
part number, or specication can be obtained from
your dealer.
Usage Fluid/Lubricant
Engine OilEngine oil which meets GM
Standard GM6094M and displays
the American Petroleum Institute
Certied for Gasoline Engines
starburst symbol. GM Goodwrench
®
oil meets all the requirements for
your vehicle. To determine the
proper viscosity for your vehicle’s
engine, seeEngine Oil (Gasoline
Engine) on page 502.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
coolant. SeeEngine Coolant on
page 514.
639

Cleaning (cont.)
Washing Your Vehicle.............................. 605
Weatherstrips........................................... 604
Windshield and Wiper Blades................... 606
Climate Control System......................236, 239
Dual Automatic......................................... 240
Outlet Adjustment..................................... 247
Clock.......................................................... 303
Collision Damage Repair............................. 660
Comfort Guides, Rear Safety Belt................. 42
Compass............................................171, 175
Content Theft-Deterrent............................... 130
Control of a Vehicle..................................... 380
Coolant
Engine Temperature Gage........................ 260
Heater, Engine......................................... 138
Surge Tank Pressure Cap........................ 517
Cooling System........................................... 521
Cruise Control............................................. 220
Cruise Control Light.................................... 267
Cupholder(s)................................................ 198
Customer Assistance Information
Courtesy Transportation........................... 657
Customer Assistance for Text
Telephone (TTY) Users......................... 652
Customer Assistance Offices.................... 652
Customer Satisfaction Procedure.............. 648Customer Assistance Information (cont.)
GM Mobility Reimbursement Program...... 653
Reporting Safety Defects to General
Motors.................................................. 665
Reporting Safety Defects to the
Canadian Government.......................... 665
Reporting Safety Defects to the
United States Government.................... 664
Roadside Assistance Program.................. 654
Service Publications Ordering
Information........................................... 666
D
Daytime Running Lamps............................. 224
Defensive Driving........................................ 376
Delayed Locking.......................................... 121
Disc, MP3..........................................341, 347
Doing Your Own Service Work.................... 489
Dome Lamp Override.................................. 228
Dome Lamps............................................... 228
Door
Delayed Locking...................................... 121
Locks....................................................... 120
Power Door Locks................................... 121
Programmable Automatic Door Locks....... 121
672

Door (cont.)
Rear Door Security Locks........................ 122
Rear Doors.............................................. 123
Driver
Position, Safety Belt................................... 28
Driver Information Center (DIC)................... 269
DIC Operation and Displays............270, 277
DIC Vehicle Customization....................... 291
DIC Warnings and Messages................... 281
Driving
At Night................................................... 409
City.......................................................... 414
Defensive................................................. 376
Drunken................................................... 377
Freeway................................................... 415
Hill and Mountain Roads.......................... 418
In Rain and on Wet Roads...................... 410
Off-Road.................................................. 392
Recovery Hooks....................................... 426
Rocking Your Vehicle to Get it Out.......... 425
Winter...................................................... 420
Dual Automatic Climate Control System....... 240
Dual Tire Operation..................................... 562
DVD
Rear Seat Entertainment System............. 357E
Electrical System
Add-On Equipment................................... 611
Center Instrument Panel Fuse Block........ 614
Fuses and Circuit Breakers...................... 612
Instrument Panel Fuse Block................... 612
Power Windows and Other Power
Options................................................. 611
Underhood Fuse Block............................. 615
Windshield Wiper Fuses........................... 611
Engine
Air Cleaner/Filter...................................... 507
Check and Service Engine Soon Light..... 262
Coolant.................................................... 514
Coolant Heater......................................... 138
Coolant Temperature Gage...................... 260
Drive Belt Routing.................................... 643
Engine Compartment Overview................ 500
Exhaust................................................... 169
Fan Noise................................................ 526
Oil ........................................................... 502
Oil Life System........................................ 505
Overheated Protection Operating Mode.... 520
Overheating............................................. 517
Starting.................................................... 136
673

Entry Lighting.............................................. 228
Event Data Recorders (EDR)...................... 659
Exit Lighting................................................ 228
Extender, Safety Belt..................................... 45
Exterior Lamps............................................ 223
F
Filter
Engine Air Cleaner................................... 507
Finish Damage............................................ 608
Fixed Mast Antenna.................................... 373
Flashers, Hazard Warning........................... 213
Flash-to-Pass.............................................. 216
Flat Tire...................................................... 579
Flat Tire, Changing...................................... 580
Flat Tire, Storing......................................... 596
Fluid
Automatic Transmission............................ 510
Power Steering........................................ 526
Windshield Washer.................................. 527
Fog Lamp
Fog .......................................................... 226
Fog Lamp Light........................................... 267
Four-Wheel Drive...............................149, 541
Four-Wheel-Drive Light................................ 267
Front Axle................................................... 543Fuel............................................................ 490
Additives.................................................. 492
California Fuel.......................................... 491
E85 (85% Ethanol)................................... 493
Filling a Portable Fuel Container.............. 497
Filling Your Tank...................................... 494
Fuels in Foreign Countries....................... 494
Gage....................................................... 268
Gasoline Octane...................................... 491
Gasoline Specications............................ 491
Low Warning Light................................... 269
Fuses
Center Instrument Panel Fuse Block........ 614
Fuses and Circuit Breakers...................... 612
Instrument Panel Fuse Block................... 612
Underhood Fuse Block............................. 615
Windshield Wiper..................................... 611
G
Gage
Engine Coolant Temperature.................... 260
Fuel......................................................... 268
Oil Pressure............................................. 265
Speedometer........................................... 250
674