Page 311 of 442

If the engine coolant temperature gage is no longer in
the overheat zone or an overheat warning no longer
displays, the vehicle can be driven. Continue to drive the
vehicle slow for about 10 minutes. Keep a safe vehicle
distance from the car in front of you. If the warning
does not come back on, continue to drive normally.
If the warning continues, pull over, stop, and park the
vehicle right away.
If there is no sign of steam, idle the engine for
three minutes while parked. If the warning is still
displayed, turn off the engine until it cools down. Also,
see″Overheated Engine Protection Operating Mode″
later in this section.
Overheated Engine Protection
Operating Mode
This operating mode allows your vehicle to be driven
to a safe place in an emergency. Should a hot engine
condition exist, an overheat protection mode which
alternates ring groups of cylinders helps prevent engine
damage. In this mode, there is a loss in power and
engine performance. Driving extended miles (km) and/or
towing a trailer in the overheat protection mode should
be avoided.Notice:After driving in the overheated engine
protection operating mode, to avoid engine damage,
allow the engine to cool before attempting any
repair. The engine oil will be severely degraded.
Repair the cause of coolant loss and change the oil.
SeeEngine Oil on page 5-16.
Power Steering Fluid
SeeEngine Compartment
Overview on page 5-12for
reservoir location.
When to Check Power Steering Fluid
It is not necessary to regularly check power steering uid
unless you suspect there is a leak in the system or you
hear an unusual noise. A uid loss in this system could
indicate a problem. Have the system inspected and
repaired.
5-31
Page 433 of 442

Engine
Air Cleaner/Filter.........................................5-20
Check and Service Engine Soon Lamp...........3-39
Coolant......................................................5-23
Coolant Heater............................................2-26
Coolant Temperature Gage...........................3-38
Coolant Temperature Warning Light................3-38
Drive Belt Routing.......................................6-16
Engine Compartment Overview......................5-12
Exhaust.....................................................2-36
Oil .............................................................5-16
Oil Life System...........................................5-19
Overheated Protection Operating Mode...........5-31
Overheating................................................5-29
Speed Limiter.............................................3-31
Starting......................................................2-24
Entry Lighting.................................................3-18
Event Data Recorders.....................................7-17
Extender, Safety Belt.......................................1-32
Exterior Lighting Battery Saver..........................3-18
F
Filter
Engine Air Cleaner......................................5-20
Finish Damage...............................................5-96
Flashers, Hazard Warning.................................. 3-6Flash-to-Pass................................................... 3-9
Flat Tire........................................................5-73
Flat Tire, Changing.........................................5-74
Flat Tire, Storing.............................................5-85
Fluid
Automatic Transmission................................5-22
Power Steering...........................................5-31
Windshield Washer......................................5-32
Fog Lamp
Fog ...........................................................3-17
Fog Lamp Light..............................................3-43
Front Axle......................................................5-44
Fuel............................................................... 5-5
Additives...................................................... 5-7
California Fuel.............................................. 5-6
Filling a Portable Fuel Container....................5-10
Filling the Tank............................................. 5-8
Fuels in Foreign Countries.............................. 5-7
Gage .........................................................3-44
Gasoline Octane........................................... 5-5
Gasoline Speci cations.................................. 5-6
Fuses
Fuses and Circuit Breakers...........................5-99
Rear Underseat Fuse Block...............5-103, 5-106
Underhood Fuse Block.................................5-99
Windshield Wiper.........................................5-98
5
Page 437 of 442

O
Odometer......................................................3-31
Off-Road Driving.............................................4-11
Off-Road Recovery..........................................4-10
Oil
Engine.......................................................5-16
Pressure Light.............................................3-42
Oil, Engine Oil Life System..............................5-19
Older Children, Restraints................................1-33
Online Owner Center........................................ 7-5
OnStar, Privacy..............................................7-18
OnStar
®System, see OnStar®Manual...............2-43
Operation, Universal Home Remote System........2-47
Outlet Adjustment............................................3-26
Outlets
Accessory Power.........................................3-20
Outside
Automatic Dimming Mirror.............................2-40
Convex Mirror.............................................2-40
Heated Mirrors............................................2-40
Power Mirrors.............................................2-39
Overheated Engine Protection
Operating Mode..........................................5-31
Owner Checks and Services.............................. 6-9
Owners, Canadian.............................................. iii
P
Paint, Damage...............................................5-96
Parade Dimming.............................................3-18
Park
Shifting Into................................................2-33
Shifting Out of............................................2-35
Park Aid........................................................2-41
Park Brake....................................................2-32
Park Tilt Mirrors..............................................2-40
Parking
Assist........................................................2-41
Over Things That Burn.................................2-35
Passenger Airbag Status Indicator.....................3-33
Passenger Compartment Air Filter.....................3-28
Passenger Sensing System..............................1-65
Passing.........................................................4-10
PASS-Key
®III+ Electronic Immobilizer...............2-20
PASS-Key®III+ Electronic Immobilizer
Operation...................................................2-21
Perchlorate Materials Requirements,
California..................................................... 5-4
Power
Door Locks.................................................2-10
Electrical System.........................................5-98
Liftgate......................................................2-12
9
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