Page 479 of 542

WARNING!(Continued)
see or hear steam coming from under the hood, do not
open the hood until the radiator has had time to cool.
Never try to open a cooling system pressure cap when
the radiator is hot.
Engine Coolant Checks
Check the engine coolant (antifreeze) protection every
12 months (before the onset of freezing weather, where
applicable). If the engine coolant (antifreeze) is dirty or
rusty in appearance, the system should be drained, flushed
and refilled with fresh coolant. Check the front of the A/C
condenser (if equipped) or radiator for any accumulation
of bugs, leaves, etc. If dirty, clean by gently spraying water
from a garden hose vertically down the face of the A/C
condenser (if equipped) or the back of the radiator core.
Check the engine cooling system hoses for brittle rubber,
cracking, tears, cuts and tightness of the connection at the
coolant recovery bottle and radiator. Inspect the entire
system for leaks.
DO NOT REMOVE THE COOLANT PRESSURE CAP
WHEN THE COOLING SYSTEM IS HOT.
Cooling System — Drain Flush And Refill
If the engine coolant (antifreeze) is dirty or contains a
considerable amount of sediment, clean and flush with a
reliable cooling system cleaner. Follow with a thorough
rinsing to remove all deposits and chemicals. Properly
dispose of old engine coolant (antifreeze).
Refer to the “Maintenance Schedule” for the proper main-
tenance intervals.
Selection Of Coolant
Refer to “Fluids, Lubricants, And Genuine Parts” in “Main-
taining Your Vehicle” for further information.
CAUTION!
•Mixing of engine coolant (antifreeze) other than
specified Organic Additive Technology (OAT) en-
gine coolant (antifreeze), may result in engine dam-
age and may decrease corrosion protection. Organic
Additive Technology (OAT) engine coolant is differ-
ent and should not be mixed with Hybrid Organic
(Continued)
7
MAINTAINING YOUR VEHICLE 477
Page 503 of 542

Bulb Number
Premium Headlamp –
Front Turn Signal Lamp LED (See authorized
dealer for service)
Horizontal Fog Lamp 9145
Vertical Fog Lamp 9006
Cab Roof Marker Lamps 194NA
Center High Mounted Stop Lamp 921
Rear Cargo Lamp 921
Box Off Tail Lamps – Stop/Turn/Tail/License Plate 1157
Box Off Tail Lamps – Back Up 1156BULB REPLACEMENT
NOTE:
Lens fogging can occur under certain atmospheric
conditions. This will usually clear as atmospheric condi-
tions change to allow the condensation to change back into
a vapor. Turning the lamps on will usually accelerate the
clearing process.
Base Quad / Premium Bi-Halogen: Low Beam
Headlamp, High Beam Headlamp, Front Park And
Turn — If Equipped
1. Open the hood.
2. Disconnect and isolate the negative battery cable.
3. Remove the six plastic push-in fasteners that secure the upper radiator seal to the grille support and both fender
ledges.
4. Remove the two plastic push-in rivets that secure the upper radiator seal to the radiator.
5. Remove the upper radiator seal from the vehicle.7
MAINTAINING YOUR VEHICLE 501
Page 531 of 542

Gasoline, Reformulated..................... .402
Gear Ranges ............................. .332
Gear Select Lever Override ....................445
Glass Cleaning ........................... .491
Grocery Bag Retainer ....................... .187
Gross Axle Weight Rating .....................409
Gross Vehicle Weight Rating ...................409
Guide, Body Builders .........................6
GVWR ................................. .407
Hazard Driving Through Flowing, Rising, Or Shallow
Standing Water ......................... .352
Hazard Warning Flasher ..................... .430
Headlights .............................. .501
Automatic ............................ .128
Cleaning .............................. .490
High Beam ............................ .136
High Beam/Low Beam Select Switch ...........136
Passing ............................... .136
Switch ............................... .128
Head Restraints ............................119
Heated Mirrors ........................ .109, 187
Heater ................................. .280
High Beam/Low Beam Select (Dimmer) Switch .....136Hill Descent Control
....................... .368
Hill Descent Control Indicator .................368
Hill Start Assist ........................... .360
Hitches Trailer Towing .......................... .412
Hoisting ................................ .440
HomeLink (Garage Door Opener) ...............164
Hood Release ............................ .125
Hub Caps ............................... .438
Ignition ..................................15
Key.................................11,15
Ignition Key Removal ........................15
Illuminated Entry ...........................21
Immobilizer (Sentry Key) ......................18
Inside Rearview Mirror .................. .101, 106
Instr
ument Cluster ...................204, 207, 220
Instrument Cluster Display Instrument Cluster Display ..................223
Instrument Panel And Controls .................195
Instrument Panel Lens Cleaning ................491
Integrated Trailer Brake Controls ................416
Interior Appearance Care .....................490
Interior Lights ............................ .132
Intermittent Wipers (Delay Wipers) ..............13710
INDEX 529