2013 GMC SAVANA heating

Black plate (16,1)GMC Savana Owner Manual - 2013 - 2nd Edition - 9/25/12
10-16 Vehicle Care
{WARNING
An electric engine cooling fan can
start even when the engine is not
running. To avoid injury, always
keep hands, clothing, and tools
away from any engine
cooling fan.
{WARNING
Heater and radiator hoses, and
other engine parts, can be very
hot. Do not touch them. If you do,
you can be burned.
Do not run the engine if there is a
leak. If you run the engine, it
could lose all coolant. That could
cause an engine fire, and you
could be burned. Get any leak
fixed before you drive the vehicle.Notice:
Using coolant other than
DEX-COOL
®can cause premature
engine, heater core, or radiator
corrosion. In addition, the engine
coolant could require changing
sooner, at 50 000 km (30,000 mi)
or 24 months, whichever occurs
first. Any repairs would not be
covered by the vehicle warranty.
Always use DEX-COOL
(silicate-free) coolant in the
vehicle.
Engine Coolant
The cooling system in the vehicle is
filled with DEX-COOL®engine
coolant. This coolant is designed to
remain in the vehicle for 5 years or
240 000 km (150,000 mi), whichever
occurs first.
The following explains the cooling
system and how to check and add
coolant when it is low. If there is a
problem with engine overheating,
see Engine Overheating on
page 10‑20.
What to Use
{WARNING
Adding only plain water or some
other liquid to the cooling system
can be dangerous. Plain water
and other liquids, can boil before
the proper coolant mixture will.
The coolant warning system is set
for the proper coolant mixture.
With plain water or the wrong
mixture, the engine could get too
hot but you would not get the
overheat warning. The engine
could catch fire and you or
others could be burned. Use
a 50/50 mixture of clean,
drinkable water and DEX-COOL
coolant.

Black plate (20,1)GMC Savana Owner Manual - 2013 - 2nd Edition - 9/25/12
10-20 Vehicle Care
8. Replace the pressure cap. Atany time during this procedure if
coolant begins to flow out of the
filler neck, reinstall the
pressure cap.
Notice: If the pressure cap is not
tightly installed, coolant loss and
possible engine damage may
occur. Be sure the cap is properly
and tightly secured.
Engine Overheating
If the vehicle has a diesel engine,
see the Duramax diesel
supplement.
The vehicle has an indicator to warn
of engine overheating.
There is an engine coolant
temperature gauge on the vehicle's
instrument cluster. See Engine
Coolant Temperature Gauge on
page 5‑12. If the decision is made not to lift the
hood when this warning appears,
but instead get service help right
away, see
Roadside Assistance
Program on page 13‑5.
If the decision is made to lift the
hood, make sure the vehicle is
parked on a level surface.
Then check to see if the engine
cooling fans are running. If the
engine is overheating, the fan
should be running. If it is not, do not
continue to run the engine and have
the vehicle serviced.
See if the engine cooling fan speed
increases when idle speed is
doubled by pushing the accelerator
pedal down. If it does not, the
vehicle needs service. Turn off the
engine.
Notice: Running the engine
without coolant may cause
damage or a fire. Vehicle damage
would not be covered by the
warranty.
If Steam is Coming from the
Engine Compartment
{WARNING
Steam from an overheated engine
can burn you badly, even if you
just open the hood. Stay away
from the engine if you see or hear
steam coming from it. Just turn it
off and get everyone away from
the vehicle until it cools down.
Wait until there is no sign of
steam or coolant before you open
the hood.
If you keep driving when the
engine is overheated, the liquids
in it can catch fire. You or others
could be badly burned. Stop the
engine if it overheats, and get out
of the vehicle until the engine
is cool.

Black plate (42,1)GMC Savana Owner Manual - 2013 - 2nd Edition - 9/25/12
10-42 Vehicle Care
Mini-Fuse UsageF12 Empty
F13 Heating, Ventilation and Air
Conditioning 2
F14 Heating, Ventilation and Air
Conditioning 1
F15 Empty
F17 Outside Rearview Mirror Heater
F18 Rear Window Defogger
F19 Compass
F20 Radio/Chime/ SiriusXM Satellite
Radio (If Equipped)
F21 Remote Function Actuator/Tire
Pressure Monitor Mini-Fuse Usage
F22 Ignition Switch/ Discrete Logic
Ignition
Sensor (PK3)
F23 Instrument Cluster
F25 Heating, Ventilation and Air
Conditioning
Control
F26 Auxiliary/Trailer Backup
F27 Taillamps Backup
F30 Upfitter Courtesy Lamps
F31 Front Door Lock
F32 Rear Door Lock
F33 Cargo Door Unlock
F34 Passenger Door Unlock
F35 Rear Passenger Door Unlock Mini-Fuse Usage
F36 Driver Door Unlock
F37 Empty
F38 Empty
J-Case Fuse Usage F16 Upfitter Auxiliary 1
F24 Empty
F28 Upfitter Auxiliary 2 Reading Lamps
F29 Rear Blower
Relays Usage K1 Run (High Current Micro)
K2 Empty (High Current Micro)
K3 Park Lamps (High Current Micro)
K4 Upfitter Auxiliary 2 (High Current Mini)

Black plate (43,1)GMC Savana Owner Manual - 2013 - 2nd Edition - 9/25/12
Vehicle Care 10-43
RelaysUsage
K5 Rear Defogger (High Current
Micro)
K6 Retained Accessory Power
(RAP) (High
Current Micro)
Circuit
Breaker Usage
CB1 Power Seats
CB2 Power WindowsWheels and Tires
Tires
Every new GM vehicle has
high-quality tires made by a
leading tire manufacturer. See
the warranty manual for
information regarding the tire
warranty and where to get
service. For additional
information refer to the tire
manufacturer.
{WARNING
.Poorly maintained and
improperly used tires are
dangerous.
.Overloading the tires can
cause overheating as a
result of too much flexing.
There could be a blowout
(Continued)
WARNING (Continued) and a serious crash. See
Vehicle Load Limits on
page 9‑10.
.Underinflated tires pose
the same danger as
overloaded tires. The
resulting crash could
cause serious injury.
Check all tires frequently
to maintain the
recommended pressure.
Tire pressure should be
checked when the tires
are cold.
.Overinflated tires are more
likely to be cut, punctured,
or broken by a sudden
impact —such as when
hitting a pothole. Keep
tires at the recommended
pressure.
(Continued)

Black plate (52,1)GMC Savana Owner Manual - 2013 - 2nd Edition - 9/25/12
10-52 Vehicle Care
68 kg (150 lb) plus the rated
cargo load. SeeVehicle Load
Limits on page 9‑10.
Vehicle Maximum Load on the
Tire
:Load on an individual tire
due to curb weight, accessory
weight, occupant weight, and
cargo weight.
Vehicle Placard
:A label
permanently attached to a
vehicle showing the vehicle
capacity weight and the original
equipment tire size and
recommended inflation pressure.
See “Tire and Loading
Information Label” underVehicle
Load Limits on page 9‑10.
Tire Pressure
Tires need the correct amount of
air pressure to operate
effectively. Notice:
Neither tire
underinflation nor
overinflation is good.
Underinflated tires, or tires
that do not have enough air,
can result in:
.Tire overloading and
overheating which could
lead to a blowout.
.Premature or
irregular wear.
.Poor handling.
.Reduced fuel economy.
Overinflated tires, or tires that
have too much air, can
result in:
.Unusual wear.
.Poor handling.
.Rough ride.
.Needless damage from
road hazards. The Tire and Loading
Information label on the vehicle
indicates the original equipment
tires and the correct cold tire
inflation pressures. The
recommended pressure is the
minimum air pressure needed to
support the vehicle's maximum
load carrying capacity.
For additional information
regarding how much weight the
vehicle can carry, and an
example of the Tire and Loading
Information label, see
Vehicle
Load Limits on page 9‑10. How
the vehicle is loaded affects
vehicle handling and ride
comfort. Never load the vehicle
with more weight than it was
designed to carry.
When to Check
Check the tires once a month
or more.

Black plate (2,1)GMC Savana Owner Manual - 2013 - 2nd Edition - 9/25/12
i-2 INDEX
B
Battery . . . . . . . . . . . . . . . . . . . . . . . 10-26Jump Starting . . . . . . . . . . . . . . . 10-77
Load Management . . . . . . . . . . . . . 6-6
Power Protection . . . . . . . . . . . . . . 6-7
Voltage and ChargingMessages . . . . . . . . . . . . . . . . . . . 5-30
Blade Replacement, Wiper . . . 10-30
Bluetooth . . . . . . . . . . . . . . . . . . . . . . 7-21
Brake System Warning Light . . . . . . . . 5-20
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 10-23 Antilock . . . . . . . . . . . . . . . . . . . . . . . 9-30
Fluid . . . . . . . . . . . . . . . . . . . . . . . . 10-24
Parking . . . . . . . . . . . . . . . . . . . . . . . 9-31
System Messages . . . . . . . . . . . . 5-30
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
Break-In, New Vehicle . . . . . . . . . 9-14
Bulb Replacement . . . . . . . . . . . . 10-36 Center High-Mounted
Stoplamp (CHMSL) . . . . . . . 10-35
Front Turn Signal, Sidemarker, and
Parking Lamps . . . . . . . . . . . . 10-33
Halogen Bulbs . . . . . . . . . . . . . . 10-31
Headlamp Aiming . . . . . . . . . . . 10-31 Bulb Replacement (cont'd)
Headlamps . . . . . . . . . . 10-31, 10-32
License Plate Lamps . . . . . . . 10-36
Taillamps . . . . . . . . . . . . . . . . . . . 10-34
Buying New Tires . . . . . . . . . . . . . 10-60
C
Calibration . . . . . . . . . . . . . . . . . . . . . . 5-4
California Fuel Requirements . . . . . . . . . . . 9-43
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 10-3
Warning . . . . . . . . . . . . . . . . . . . . . . 10-2
Camera, Rear Vision . . . . . . . . . . 9-38
Canadian Vehicle Owners . . . . . . . . iii
Capacities and Specifications . . . . . . . . . . . . . . . . 12-2
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 9-21
Winter Driving . . . . . . . . . . . . . . . . . 9-7
Cargo Door Relocking . . . . . . . . . . 2-7
Cautions, Danger, and Warnings . . . . . . . . . . . . . . . . . . . . . . . . iv
CD Player . . . . . . . . . . . . . . . . . . . . . 7-11
Center High-Mounted Stoplamp (CHMSL) . . . . . . . . . 10-35 Chains, Tire . . . . . . . . . . . . . . . . . . 10-65
Charging System Light . . . . . . . . 5-17
Check
Engine Light . . . . . . . . . . . . . . . . . . 5-17
IgnitionTransmission Lock . . . . . . . . 10-30
Child Restraints
Infants and YoungChildren . . . . . . . . . . . . . . . . . . . . . 3-35
Lower Anchors and Tethers for Children . . . . . . . . . 3-40
Older Children . . . . . . . . . . . . . . . . 3-33
Securing . . . . . . . . . . 3-47, 3-49, 3-52
Systems . . . . . . . . . . . . . . . . . . . . . . 3-37
Cigarette Lighter . . . . . . . . . . . . . . . . 5-7
Circuit Breakers . . . . . . . . . . . . . . 10-37
Cleaning Exterior Care . . . . . . . . . . . . . . . 10-83
Interior Care . . . . . . . . . . . . . . . . 10-86
Climate Control Systems . . . . . . . 8-1 Air Conditioning . . . . . . . . . . . . . . . 8-1
Heating . . . . . . . . . . . . . . . . . . . . . . . . 8-1
Rear . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-5
Rear Heating System . . . . . . . . . . 8-4
Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Cluster, Instrument . . . . . . . . . . . . . 5-9

Black plate (4,1)GMC Savana Owner Manual - 2013 - 2nd Edition - 9/25/12
i-4 INDEX
E
E85 Fuel . . . . . . . . . . . . . . . . . . . . . . . 9-44
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . 9-57
Electrical System Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-37
Floor Console Fuse Block . . 10-41
Fuses and Circuit Breakers . . . . . . . . . . . . . . . . . . 10-37
Overload . . . . . . . . . . . . . . . . . . . 10-37
Emergency OnStar
®. . . . . . . . . . . . . . . . . . . . . . 14-2
Engine Air Cleaner/Filter . . . . . . . . . . . 10-14
Check and Service EngineSoon Light . . . . . . . . . . . . . . . . . . 5-17
Compartment Overview . . . . . . . 10-5
Coolant . . . . . . . . . . . . . . . . . . . . . 10-16
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 5-12
Cooling System . . . . . . . . . . . . . 10-15
Cooling System Messages . . . 5-31
Drive Belt Routing . . . . . . . . . . . . 12-5
Exhaust . . . . . . . . . . . . . . . . . . . . . . 9-21
Fan . . . . . . . . . . . . . . . . . . . . . . . . . 10-21 Engine (cont'd)
Heater . . . . . . . . . . . . . . . . . . . . . . . . 9-18
Oil Life System . . . . . . . . . . . . . . . 10-8
Oil Messages . . . . . . . . . . . . . . . . . 5-32
Oil Pressure Gauge . . . . . . . . . . 5-11
Overheating . . . . . . . . . . . . . . . . 10-20
Power Messages . . . . . . . . . . . . . 5-32
Pressure Light . . . . . . . . . . . . . . . . 5-23
Running While Parked . . . . . . . . 9-22
Starting . . . . . . . . . . . . . . . . . . . . . . . 9-16
Enhanced Technology Glass . . . . . . . . . . . . . . . . . . . . . . . . 2-16
Entry/Exit Lighting . . . . . . . . . . . . . . 6-6
Equipment, Towing . . . . . . . . . . . . 9-54
Extender, Safety Belt . . . . . . . . . . 3-14
Exterior Lamp Controls . . . . . . . . . 6-1
Exterior Lamps Off Reminder . . . 6-2
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . 10-21
Fast Idle System . . . . . . . . . . . . . . . 9-18
Filter, Engine Air Cleaner . . . . . . . . . 10-14
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 6-2
Flashers, Hazard Warning . . . . . . 6-4 Flat Tire . . . . . . . . . . . . . . . . . . . . . . 10-65
Changing . . . . . . . . . . . . . . . . . . . 10-67
Floor Mats . . . . . . . . . . . . . . . . . . . . 10-89
Fluid AutomaticTransmission . . . . . . . . . 10-9, 10-11
Brakes . . . . . . . . . . . . . . . . . . . . . . 10-24
Power Steering . . . . . . . . . . . . . 10-22
Washer . . . . . . . . . . . . . . . . . . . . . 10-22
Front Axle . . . . . . . . . . . . . . . . . . . . 10-27
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . 3-2
Front Storage . . . . . . . . . . . . . . . . . . . 4-1
Front Turn Signal Bulb Replacement . . . . . . . . . . 10-33
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-41
Additives . . . . . . . . . . . . . . . . . . . . . 9-43
E85 (85% Ethanol) . . . . . . . . . . . 9-44
Economy Driving . . . . . . . . . . . . . 1-19
Filling a Portable FuelContainer . . . . . . . . . . . . . . . . . . . 9-46
Filling the Tank . . . . . . . . . . . . . . . 9-45
Foreign Countries . . . . . . . . . . . . 9-43
Gasoline Specifications . . . . . . . 9-42
Gauge . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Low Fuel Warning Light . . . . . . . 5-23

Black plate (5,1)GMC Savana Owner Manual - 2013 - 2nd Edition - 9/25/12
INDEX i-5
Fuel (cont'd)Recommended . . . . . . . . . . . . . . . 9-42
Requirements, California . . . . . 9-43
System Messages . . . . . . . . . . . . 5-33
Full-Size Spare Tire . . . . . . . . . . 10-76
Fuses Engine CompartmentFuse Block . . . . . . . . . . . . . . . . 10-37
Floor Console Fuse Block . . 10-41
Fuses and Circuit
Breakers . . . . . . . . . . . . . . . . . . 10-37
G
GasolineSpecifications . . . . . . . . . . . . . . . . . 9-42
Gauges
Engine CoolantTemperature . . . . . . . . . . . . . . . . 5-12
Engine Oil Pressure . . . . . . . . . . 5-11
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . 5-10
Odometer . . . . . . . . . . . . . . . . . . . . . 5-10
Speedometer . . . . . . . . . . . . . . . . . 5-10
Trip Odometer . . . . . . . . . . . . . . . . 5-10
Voltmeter . . . . . . . . . . . . . . . . . . . . . 5-13
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . . 5-8 General Information
Service and Maintenance . . . . . 11-1
Towing . . . . . . . . . . . . . . . . . . . . . . . . 9-47
Vehicle Care . . . . . . . . . . . . . . . . . . 10-2
Glass, Enhanced Technology . . . . . . . . . . . . . . . . . . . 2-16
GM Mobility Reimbursement
Program . . . . . . . . . . . . . . . . . . . . . . 13-5
H
Halogen Bulbs . . . . . . . . . . . . . . . . 10-31
Hazard Warning Flashers . . . . . . . 6-4
Head Restraints . . . . . . . . . . . . . . . . 3-2
Headlamps . . . . . . . . . . . . . . . . . . . 10-32Aiming . . . . . . . . . . . . . . . . . . . . . . 10-31
Automatic . . . . . . . . . . . . . . . . . . . . . . 6-3
Bulb Replacement . . . . . . . . . . 10-31
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . . 6-2
Flash-to-Pass . . . . . . . . . . . . . . . . . . 6-2
High-Beam On Light . . . . . . . . . . 5-24
High/Low Beam Changer . . . . . . 6-2
Heated Mirrors . . . . . . . . . . . . . . . . . 2-14
Heater
Engine . . . . . . . . . . . . . . . . . . . . . . . . 9-18 Heating and Air Conditioning . . . 8-1
High-Beam On Light . . . . . . . . . . . 5-24
Highway Hypnosis . . . . . . . . . . . . . . 9-6
Hill and Mountain Roads . . . . . . . . 9-6
Hood . . . . . . . . . . . . . . . . . . . . . . . . . . 10-4
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
How to Wear Safety Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . 3-9
I
Idle SystemFast . . . . . . . . . . . . . . . . . . . . . . . . . . 9-18
Ignition Positions . . . . . . . . . . . . . . 9-15
Ignition Transmission Lock
Check . . . . . . . . . . . . . . . . . . . . . . . 10-30
Immobilizer . . . . . . . . . . . . . . . . . . . . 2-11
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . 3-35
Infotainment . . . . . . . . . . . . . . . . . . . . 7-1
Instrument Cluster . . . . . . . . . . . . . . 5-9
Introduction . . . . . . . . . . . . . . . . . . . . . . . iii