2007 GMC SIERRA CLASSIC oil pressure

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 may 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 486.
Engine Coolant50/50 mixture of clean, drinkable
water and use only DEX-COOL
®
coolant. SeeEngine Coolant on
page 502.
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Fuses
Center Instrument Panel Fuse Block........ 602
Fuses and Circuit Breakers...................... 600
Instrument Panel Fuse Block................... 600
Underhood Fuse Block............................. 603
Windshield Wiper..................................... 599
G
Gage
Engine Coolant Temperature.................... 256
Fuel......................................................... 264
Oil Pressure............................................. 262
Speedometer........................................... 246
Tachometer.............................................. 246
Transmission Temperature........................ 257
Voltmeter Gage........................................ 253
Garage Door Opener..........................191, 192
Gasoline
Octane..................................................... 470
Specications........................................... 471
Glove Box................................................... 202
GM Mobility Reimbursement Program.......... 643
H
Hazard Warning Flashers............................ 212
Head Restraints............................................ 18
Headlamps.........................................221, 533
Automatic Headlamp System.................... 223
Bulb Replacement.................................... 532
Daytime Running Lamps.......................... 222
Flash-to-Pass........................................... 216
Front Turn Signal, Sidemarker and
Daytime Running Lamps....................... 534
Halogen Bulbs......................................... 532
High/Low Beam Changer......................... 215
On Reminder........................................... 222
Pickup Box Identication and Fender
Marker Lamps...................................... 538
Roof Marker Lamps................................. 535
Heated Seats................................................ 11
Heater................................................230, 231
Heater......................................................... 235
Highbeam On Light..................................... 263
Highway Hypnosis....................................... 399
Hill and Mountain Roads............................. 400
Hood
Checking Things Under............................ 478
Release................................................... 479
665

Manual Windows......................................... 129
Memory Seat and Mirrors.............................. 12
Message
DIC Warnings and Messages................... 270
Mirrors
Automatic Dimming Rearview with
Compass and Temperature Display....... 180
Automatic Dimming Rearview with
OnStar
®, Compass and Temperature
Display................................................. 176
Manual Rearview Mirror........................... 176
Outside Automatic Dimming Mirror........... 187
Outside Convex Mirror............................. 188
Outside Curb View Assist Mirrors............. 187
Outside Heated Mirrors............................ 188
Outside Manual Mirrors............................ 183
Outside Power Foldaway Mirrors.............. 186
Outside Power Mirrors............................. 185
Outside Trailer-Tow Mirrors....................... 183
Outside West Coast-Type Mirrors............. 185
MyGMLink.com............................................ 641
N
New Vehicle Break-In.................................. 134
Noise Control System, Tampering................ 531
Normal Maintenance Replacement Parts..... 632
O
Odometer.................................................... 246
Odometer, Trip............................................ 246
Off-Road Driving.......................................... 372
Off-Road Recovery...................................... 369
Oil
Engine..................................................... 486
Pressure Gage......................................... 262
Oil, Engine Oil Life System ......................... 489
Older Children, Restraints............................. 44
Online Owner Center................................... 641
OnStar
®System, see OnStar®Manual........ 189
Other Warning Devices................................ 213
Outlet Adjustment........................................ 243
Outlet(s), Accessory Power.......................... 228
Outside
Automatic Dimming Mirror........................ 187
Convex Mirror.......................................... 188
Curb View Assist Mirrors.......................... 187
Heated Mirrors......................................... 188
Manual Mirrors......................................... 183
Power Foldaway Mirrors........................... 186
Power Mirrors.......................................... 185
Trailer-Tow Mirrors................................... 183
West Coast-Type Mirrors.......................... 185
668