coolant GMC SIERRA 2007 Owner's Guide

At Each Fuel Fill
It is important to perform these underhood checks
at each fuel ll.
Engine Oil Level Check
Check the engine oil level and add the proper oil if
necessary. SeeEngine Oil (Gasoline Engine)
on page 500for further details.
Notice:It is important to check the engine oil
regularly and keep it at the proper level.
Failure to keep the engine oil at the proper
level can cause damage to the engine not
covered by your warranty.
Engine Coolant Level Check
Check the engine coolant level and add
DEX-COOL®coolant mixture if necessary. See
Engine Coolant on page 513for further details.
Windshield Washer Fluid Level Check
Check the windshield washer uid level in
the windshield washer uid reservoir and add the
proper uid if necessary.
At Least Once a Month
Tire Ination Check
Visually inspect your vehicle’s tires and make sure
they are inated to the correct pressures. Do not
forget to check the spare tire. SeeInation - Tire
Pressure on page 559. Check to make sure the
spare tire is stored securely. SeeChanging a Flat
Tire on page 576.
Tire Wear Inspection
Tire rotation may be required for high mileage
highway drivers prior to the Engine Oil Life System
service notication. Check the tires for wear
and, if necessary, rotate the tires. SeeTire
Inspection and Rotation on page 565.
632

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 500.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
coolant. SeeEngine Coolant on
page 513.
635

Cleaning (cont.)
Weatherstrips........................................... 601
Windshield and Wiper Blades................... 603
Climate Control System......................234, 237
Dual Automatic......................................... 238
Outlet Adjustment..................................... 245
Clock.......................................................... 301
Collision Damage Repair............................. 657
Comfort Guides, Rear Safety Belt................. 41
Compass............................................169, 173
Content Theft-Deterrent............................... 128
Control of a Vehicle..................................... 378
Coolant
Engine Temperature Gage........................ 258
Heater, Engine......................................... 136
Surge Tank Pressure Cap........................ 516
Cooling System........................................... 520
Cruise Control............................................. 218
Cruise Control Light.................................... 265
Cupholder(s)................................................ 196
Customer Assistance Information
Courtesy Transportation........................... 653
Customer Assistance for Text Telephone
(TTY) Users.......................................... 648
Customer Assistance Offices.................... 648
Customer Satisfaction Procedure.............. 644
GM Mobility Reimbursement Program...... 649Customer Assistance Information (cont.)
Reporting Safety Defects to General
Motors.................................................. 662
Reporting Safety Defects to the
Canadian Government.......................... 662
Reporting Safety Defects to the United
States Government............................... 662
Roadside Assistance Program.................. 650
Service Publications Ordering
Information........................................... 663
D
Daytime Running Lamps............................. 222
Defensive Driving........................................ 374
Delayed Locking.......................................... 119
Disc, MP3..........................................339, 345
Doing Your Own Service Work.................... 487
Dome Lamp Override.................................. 226
Dome Lamps............................................... 226
Door
Delayed Locking...................................... 119
Locks....................................................... 118
Power Door Locks................................... 119
Programmable Automatic Door Locks....... 119
668

Door (cont.)
Rear Door Security Locks........................ 120
Rear Doors.............................................. 121
Driver
Position, Safety Belt................................... 28
Driver Information Center (DIC)................... 267
DIC Operation and Displays............268, 275
DIC Vehicle Customization....................... 289
DIC Warnings and Messages................... 279
Driving
At Night................................................... 407
City.......................................................... 412
Defensive................................................. 374
Drunken................................................... 375
Freeway................................................... 413
Hill and Mountain Roads.......................... 416
In Rain and on Wet Roads...................... 408
Off-Road.................................................. 390
Recovery Hooks....................................... 424
Rocking Your Vehicle to Get it Out.......... 423
Winter...................................................... 418
Dual Automatic Climate Control System....... 238
Dual Tire Operation..................................... 560
DVD
Rear Seat Entertainment System............. 355E
Electrical System
Add-On Equipment................................... 608
Center Instrument Panel Fuse Block........ 611
Fuses and Circuit Breakers...................... 608
Instrument Panel Fuse Block................... 609
Power Windows and Other Power
Options................................................. 608
Underhood Fuse Block............................. 612
Windshield Wiper Fuses........................... 608
Engine
Air Cleaner/Filter...................................... 505
Check and Service Engine Soon Light..... 260
Coolant.................................................... 513
Coolant Heater......................................... 136
Coolant Temperature Gage...................... 258
Drive Belt Routing.................................... 639
Engine Compartment Overview................ 498
Exhaust................................................... 167
Fan Noise................................................ 525
Oil ........................................................... 500
Oil Life System........................................ 503
Overheated Protection Operating Mode.... 519
Overheating............................................. 516
Starting.................................................... 134
Entry Lighting.............................................. 226
669

Event Data Recorders (EDR)...................... 656
Exit Lighting................................................ 226
Extender, Safety Belt..................................... 44
Exterior Lamps............................................ 221
F
Filter
Engine Air Cleaner................................... 505
Finish Damage............................................ 605
Fixed Mast Antenna.................................... 371
Flashers, Hazard Warning........................... 211
Flash-to-Pass.............................................. 214
Flat Tire...................................................... 576
Flat Tire, Changing...................................... 576
Flat Tire, Storing......................................... 592
Fluid
Automatic Transmission............................ 508
Power Steering........................................ 526
Windshield Washer.................................. 527
Fog Lamp
Fog .......................................................... 224
Fog Lamp Light........................................... 265
Four-Wheel Drive...............................147, 539
Four-Wheel-Drive Light................................ 265
Front Axle................................................... 541Fuel............................................................ 488
Additives.................................................. 490
California Fuel.......................................... 489
E85 (85% Ethanol)................................... 491
Filling a Portable Fuel Container.............. 495
Filling Your Tank...................................... 493
Fuels in Foreign Countries....................... 492
Gage....................................................... 266
Gasoline Octane...................................... 489
Gasoline Specications............................ 489
Low Warning Light................................... 267
Fuses
Center Instrument Panel Fuse Block........ 611
Fuses and Circuit Breakers...................... 608
Instrument Panel Fuse Block................... 609
Underhood Fuse Block............................. 612
Windshield Wiper..................................... 608
G
Gage
Engine Coolant Temperature.................... 258
Fuel......................................................... 266
Oil Pressure............................................. 263
Speedometer........................................... 248
670