2007 CHEVROLET TAHOE open hood

(e)Make sure the safety belt reminder light and all
your belts, buckles, latch plates, retractors, and
anchorages are working properly. Look for
any other loose or damaged safety belt system
parts. If you see anything that might keep a safety
belt system from doing its job, have it repaired.
Have any torn or frayed safety belts replaced. Also
look for any opened or broken airbag coverings,
and have them repaired or replaced. The
airbag system does not need regular maintenance.
(f)Lubricate all key lock cylinders, hood latch
assembly, secondary latch, pivots, spring anchor,
release pawl, rear compartment hinges, outer
liftgate handle pivot points, rear door detent link,
roller mechanism, liftgate handle pivot points, latch
bolt, fuel door hinge, cargo door hinge, locks,
and folding seat hardware. More frequent
lubrication may be required when exposed to a
corrosive environment. Applying silicone grease on
weatherstrips with a clean cloth will make them
last longer, seal better, and not stick or squeak.
(g)Check vent hose at transfer case for kinks and
proper installation.(h)Change automatic transmission uid and lter
if the vehicle is mainly driven under one or
more of these conditions:
In heavy city traffic where the outside
temperature regularly reaches 90°F (32°C) or
higher.
In hilly or mountainous terrain.
When doing frequent trailer towing.
Uses such as found in taxi, police, or delivery
service.
(i)Drain, ush, and rell cooling system. This
service can be complex; you should have
your dealer perform this service. See Engine
Coolant on page 470 for what to use. Inspect
hoses. Clean radiator, condenser, pressure cap,
and ller neck. Pressure test the cooling
system and pressure cap.
(j)A uid loss in any vehicle system could indicate
a problem. Have the system inspected and
repaired and the uid level checked. Add uid if
needed.
585

Parking Brake and Automatic
Transmission Park (P) Mechanism Check
{CAUTION:
When you are doing this check, your
vehicle could begin to move. You or
others could be injured and property
could be damaged. Make sure there is
room in front of your vehicle in case it
begins to roll. Be ready to apply the
regular brake at once should the vehicle
begin to move.
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.
Hood and Liftgate Support Gas Strut
Service
Visually inspect gas strut for signs of wear,
corrosion, cracks, loss of lubricant, or other
damage. Check the hold open ability of gas strut.
If necessary, replace with genuine GM parts.
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.
589

G
Gage
Engine Coolant Temperature.................... 252
Fuel......................................................... 259
Oil Pressure............................................. 256
Speedometer........................................... 244
Tachometer.............................................. 244
Voltmeter Gage........................................ 249
Garage Door Opener................................... 178
Gasoline
Octane..................................................... 447
Specications........................................... 447
Glove Box................................................... 190
GM Mobility Reimbursement Program.......... 603
H
Hazard Warning Flashers............................ 204
Head Restraints............................................ 18
Headlamp
Aiming..................................................... 499
Headlamps
Bulb Replacement.................................... 502
Daytime Running Lamps.......................... 216
Flash-to-Pass........................................... 207
Halogen Bulbs......................................... 502Headlamps (cont.)
High/Low Beam Changer......................... 207
On Reminder........................................... 216
Heated Seats................................................ 12
Heater......................................................... 227
Heater......................................................... 231
Highbeam On Light..................................... 259
Highway Hypnosis....................................... 397
Hill and Mountain Roads............................. 398
Hood
Checking Things Under............................ 456
Release................................................... 457
Horn............................................................ 204
How to Use This Manual................................ 4
How to Wear Safety Belts Properly............... 43
I
Ignition Positions......................................... 140
Infants and Young Children, Restraints.......... 64
Ination - Tire Pressure............................... 515
Instrument Panel
Overview.................................................. 202
Instrument Panel (I/P)
Brightness................................................ 219
Cluster..................................................... 243
625