2018 GMC SAVANA check engine light

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-11374214) -
2018 - CRC - 2/2/18
Vehicle Care 223
warm or hot will give a more
accurate reading of the fluid level
than a cold check.
Because the vehicle is equipped
with a high-efficiency air-to-oil
cooler, the transmission fluid
temperature may not reach the
required hot fluid level checking
temperature under normal lightly
loaded driving vehicle conditions.
Checking the Fluid Level
Prepare the vehicle:1. Park the vehicle on a level place. Keep the engine
running.
2. With the parking brake applied, place the shift lever in P (Park).
3. With a foot on the brake pedal, move the shift lever through
each gear range, pausing for
about three seconds in each
range. When M is reached,
move the selector from M1
through M3. Then, position the
shift lever in P (Park).
4. Let the engine run at idle for two minutes or more. Then, without shutting off the
engine, use the steps that follow.
The transmission dipstick is near
the center of the engine
compartment and will be labeled
with the graphic shown.
See
Engine Compartment Overview
0 215 for more information on
location.
1. COLD Range
2. WARM Range
3. HOT Range
1. Flip the handle up, pull out the dipstick, and wipe it with a
clean rag or paper towel.
2. Push it back in all the way, wait three seconds, and pull it back
out again.
3. Check both sides of the dipstick, and read the lower
level. The fluid level must be in
the COLD (1) range for a cold
check, transmission
temperature 27 °C to 32 °C
(80 °F to 90 °F); between the
COLD (1) and HOT (3) range
for a WARM (2) check, 50 °C to
60 °C (122 °F to 140 °F); or in
the HOT (3) cross-hatched
range for a hot check, 71 °C to
93 °C (160 °F to 200 °F). Be
sure to keep the dipstick
pointed down to get an
accurate reading.
4. If the fluid level is in the acceptable range, push the
dipstick back in all the way;
then flip the handle down to
lock the dipstick in place.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-11374214) -
2018 - CRC - 2/2/18
236 Vehicle Care
When the brake fluid falls to a low
level, the brake warning light comes
on. SeeBrake System Warning
Light 0105.
Brake fluid absorbs water over time.
Replace brake fluid at the specified
intervals to prevent increased
stopping distance. See Maintenance
Schedule 0301.
Checking Brake Fluid
Check brake fluid by looking at the
brake fluid reservoir. See Engine
Compartment Overview 0215.
The fluid level should be above
MIN. If it is not, have the brake
hydraulic system checked to see if
there is a leak.
After work is done on the brake
hydraulic system, make sure the
level is above MIN but not over the
MAX mark.
What to Add
Use only GM approved DOT 3
brake fluid from a clean, sealed
container. See Recommended
Fluids and Lubricants 0308.
{Warning
The wrong or contaminated brake
fluid could result in damage to the
brake system. This could result in
the loss of braking leading to a
possible injury. Always use the
proper GM approved brake fluid.
Caution
If brake fluid is spilled on the
vehicle's painted surfaces, the
paint finish can be damaged.
Immediately wash off any painted
surface.
Battery - North America
The original equipment battery is
maintenance free. Do not remove
the cap and do not add fluid.
Refer to the replacement number
shown on the original battery label
when a new battery is needed. See
Engine Compartment Overview
0215 for battery location.
{Warning
WARNING: Battery posts,
terminals, and related
accessories contain lead and lead
compounds, chemicals known to
the State of California to cause
(Continued)

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-11374214) -
2018 - CRC - 2/2/18
Vehicle Care 285
ground connection you do not
want. You would not be able to
start your vehicle, and the bad
grounding could damage the
electrical systems.
To avoid the possibility of the
vehicles rolling, set the parking
brake firmly on both vehicles
involved in the jump start
procedure. Put an automatic
transmission in P (Park) or a
manual transmission in Neutral
before setting the parking
brake.
Caution
If any accessories are left on or
plugged in during the jump
starting procedure, they could be
damaged. The repairs would not
be covered by the vehicle
warranty. Whenever possible, turn
off or unplug all accessories on
either vehicle when jump starting.
3. Turn the ignition off on both vehicles. Unplug unnecessary
accessories plugged into the cigarette lighter or the
accessory power outlet. Turn
off the radio and all lamps that
are not needed. This will avoid
sparks and help save both
batteries. And it could save the
radio!
4. Open the hoods and locate the positive (+) and negative (−)
terminal locations of the other
vehicle.
On your van, use the unpainted
radio antenna bracket as a
remote negative (−) terminal.
{Warning
Using a match near a battery can
cause battery gas to explode.
People have been hurt doing this,
and some have been blinded.
Use a flashlight if you need more
light.
Battery fluid contains acid that
can burn you. Do not get it on
you. If you accidentally get it in
(Continued)
Warning (Continued)
your eyes or on your skin, flush
the place with water and get
medical help immediately.
{Warning
Fans or other moving engine
parts can injure you badly. Keep
your hands away from moving
parts once the engine is running.
5. Check that the jumper cables do not have loose or missing
insulation. If they do, you could
get a shock. The vehicles
could be damaged too.
Before you connect the cables,
here are some basic things you
should know. Positive (+) will
go to positive (+) or to a remote
positive (+) terminal if the
vehicle has one. Negative (−)
will go to an unpainted metal
part or to a remote negative (−)
terminal if the vehicle has one.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-11374214) -
2018 - CRC - 2/2/18
306 Service and Maintenance
Brakes
Brakes stop the vehicle and are
crucial to safe driving.
.Signs of brake wear may include
chirping, grinding, or squealing
noises, or difficulty stopping.
. Trained dealer technicians have
access to tools and equipment
to inspect the brakes and
recommend quality parts
engineered for the vehicle.
Fluids
Proper fluid levels and approved
fluids protect the vehicle’s systems
and components. See
Recommended Fluids and
Lubricants 0308 for GM approved
fluids.
. Engine oil and windshield
washer fluid levels should be
checked at every fuel fill.
. Instrument cluster lights may
come on to indicate that fluids
may be low and need to be
filled. Hoses
Hoses transport fluids and should
be regularly inspected to ensure
that there are no cracks or leaks.
With a multi-point inspection, your
dealer can inspect the hoses and
advise if replacement is needed.
Lamps
Properly working headlamps,
taillamps, and brake lamps are
important to see and be seen on
the road.
.
Signs that the headlamps need
attention include dimming, failure
to light, cracking, or damage.
The brake lamps need to be
checked periodically to ensure
that they light when braking.
. With a multi-point inspection,
your dealer can check the lamps
and note any concerns. Shocks and Struts
Shocks and struts help aid in control
for a smoother ride.
.
Signs of wear may include
steering wheel vibration, bounce/
sway while braking, longer
stopping distance, or uneven
tire wear.
. As part of the multi-point
inspection, trained dealer
technicians can visually inspect
the shocks and struts for signs
of leaking, blown seals,
or damage, and can advise
when service is needed.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-11374214) -
2018 - CRC - 2/2/18
342 Index
IndexA
Accessories andModifications . . . . . . . . . . . . . . . . . . 213
Accessory Power . . . . . . . . . . . . . . . 175
Add-On Electrical Equipment . . . 210
Additional Information OnStar . . . . . . . . . . . . . . . . . . . . . . . 336
Additional Maintenance and Care . . . . . . . . . . . . . . . . . . . . . . 305
Air Cleaner/Filter, Engine . . . . . . . 225
Air Conditioning . . . . . . . . . . . 154, 156
Air Vents . . . . . . . . . . . . . . . . . . . . . . . 159
Airbag System Check . . . . . . . . . . . . . . . . . . . . . . . . . . 67
How Does an Airbag
Restrain? . . . . . . . . . . . . . . . . . . . . . 61
What Makes an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 61
What Will You See after an
Airbag Inflates? . . . . . . . . . . . . . . . 62
When Should an Airbag Inflate? . . . . . . . . . . . . . . . . . . . . . . . . 60
Where Are the Airbags? . . . . . . . . 58
Airbags
Adding Equipment to theVehicle . . . . . . . . . . . . . . . . . . . . . . . . 66
Light On-Off . . . . . . . . . . . . . . . . . . 102
On-Off Light . . . . . . . . . . . . . . . . . . 102 Airbags (cont'd)
On-Off Switch . . . . . . . . . . . . . . . . . . 63
Readiness Light . . . . . . . . . . . . . . 101
Servicing Airbag-Equipped
Vehicles . . . . . . . . . . . . . . . . . . . . . . . 66
System Check . . . . . . . . . . . . . . . . . . 56
Alert Side Blind Zone (SBZA) . . . . . . 193
All-Season Tires . . . . . . . . . . . . . . . . 253
All-Terrain Tires . . . . . . . . . . . . . . . . . 254
AM-FM Radio . . . . . . . . . . . . . . . . . . . 133
Antenna
Fixed Mast . . . . . . . . . . . . . . . . . . . 136
Multi-band . . . . . . . . . . . . . . . . . . . . 136
Antilock Brake System (ABS) . . . 184 Warning Light . . . . . . . . . . . . . . . . . 106
Appearance Care Exterior . . . . . . . . . . . . . . . . . . . . . . . 290
Interior . . . . . . . . . . . . . . . . . . . . . . . . 294
Ashtrays . . . . . . . . . . . . . . . . . . . . . . . . . 96
Assistance Program, Roadside . . . . . . . . . . . . . . . . . . . . . . 320
Audio
Theft-Deterrent Feature . . . . . . . 128
Audio Players CD . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Automatic Door Locks . . . . . . . . . . . . . . . . . . . . . 31

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-11374214) -
2018 - CRC - 2/2/18
Index 343
Automatic (cont'd)Headlamp System . . . . . . . . . . . . 122
Transmission . . . . . . . . . . . . . . . . . 180
Transmission Fluid . . . . . . 221, 224
Automatic Transmission Manual Mode . . . . . . . . . . . . . . . . . 183
Shift Lock Control FunctionCheck . . . . . . . . . . . . . . . . . . . . . . . 239
Auxiliary
Devices . . . . . . . . . . . . . . . . . . . . . . . 141
Avoiding Untrusted Media Devices . . . . . . . . . . . . . . . . . . . . . . . 136
Axle, Rear . . . . . . . . . . . . . . . . . . . . . . 237
B
Battery Exterior Lighting BatterySaver . . . . . . . . . . . . . . . . . . . . . . . 125
Load Management . . . . . . . . . . . . 125
Power Protection . . . . . . . . . . . . . 125
Battery - North America . . . . 236, 284
Blade Replacement, Wiper . . . . . 240
Bluetooth Overview . . . . . . . . . . . . . . . . . . . . . 146
Brake System Warning Light . . . . . . . . 105 Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . 234
Antilock . . . . . . . . . . . . . . . . . . . . . . . 184
Assist . . . . . . . . . . . . . . . . . . . . . . . . . 186
Fluid . . . . . . . . . . . . . . . . . . . . . . . . . . 235
Parking . . . . . . . . . . . . . . . . . . . . . . . 185
Braking . . . . . . . . . . . . . . . . . . . . . . . . . 162
Break-In, New Vehicle . . . . . . . . . . 171
Bulb Replacement Center High-MountedStoplamp (CHMSL) . . . . . . . . . 245
Front Turn Signal,
Sidemarker, and Parking
Lamps . . . . . . . . . . . . . . . . . . . . . . 243
Halogen Bulbs . . . . . . . . . . . . . . . . 243
Headlamp Aiming . . . . . . . . . . . . . 242
Headlamps . . . . . . . . . . . . . . . . . . . 243
License Plate Lamps . . . . . . . . . 245
Taillamps . . . . . . . . . . . . . . . . . . . . . 243
Buying New Tires . . . . . . . . . . . . . . . 269
C
Calibration . . . . . . . . . . . . . . . . . . . . . . . 92
California Fuel Requirements . . . . . . . . . . . 196
Perchlorate MaterialsRequirements . . . . . . . . . . . . . . . 213 California
Proposition
65 Warning . . . . . . . . . .212, 236, 284,
Back Cover
Camera Rear Vision (RVC) . . . . . . . . . . . . 191
Canadian Vehicle Owners . . . . . . . . 2
Capacities and
Specifications . . . . . . . . . . . . . . . . . 313
Carbon Monoxide Engine Exhaust . . . . . . . . . . . . . . . 179
Winter Driving . . . . . . . . . . . . . . . . 165
Cargo Tie-Downs . . . . . . . . . . . . . . . . . . . . . . 87
Cargo Door Relocking . . . . . . . . . . . 30
Caution, Danger, and Warning . . . . 3
CD Player . . . . . . . . . . . . . . . . . . . . . . 136
Center High-Mounted Stoplamp (CHMSL) . . . . . . . . . . . 245
Chains, Tire . . . . . . . . . . . . . . . . . . . . 274
Charging System Light . . . . . . . . . 103
Check Engine Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 103
Ignition Transmission Lock . . . 240
Child Restraints Infants and Young Children . . . . . 69

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-11374214) -
2018 - CRC - 2/2/18
Index 345
Driving (cont'd)Off-Road Recovery . . . . . . . . . . . 163
Vehicle Load Limits . . . . . . . . . . . 167
Wet Roads . . . . . . . . . . . . . . . . . . . 164
Winter . . . . . . . . . . . . . . . . . . . . . . . . 165
Dual Tire Rotation . . . . . . . . . . . . . . . . . . . . . . 268
E
E85 or FlexFuel . . . . . . . . . . . . . . . . 197
Electrical Equipment,Add-On . . . . . . . . . . . . . . . . . . . . . . . 210
Electrical System Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 247
Floor Console Fuse Block . . . . 251
Fuses and Circuit Breakers . . . 246
Overload . . . . . . . . . . . . . . . . . . . . . 246
Emergency
OnStar . . . . . . . . . . . . . . . . . . . . . . . 331
Engine Air Cleaner/Filter . . . . . . . . . . . . . 225
Check Light (MalfunctionIndicator) . . . . . . . . . . . . . . . . . . . . 103
Compartment Overview . . . . . . . 215
Coolant Heater . . . . . . . . . . . . . . . 175
Coolant Temperature Gauge . . . . . . . . . . . . . . . . . . . . . . 100 Engine (cont'd)
Cooling System . . . . . . . . . . . . . . . 226
Drive Belt Routing . . . . . . . . . . . . 315
Exhaust . . . . . . . . . . . . . . . . . . . . . . 179
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . 232
Oil Life System . . . . . . . . . . . . . . . 220
Oil Pressure Gauge . . . . . . . . . . . . 99
Oil Pressure Light . . . . . . . . . . . . 108
Overheating . . . . . . . . . . . . . . . . . . 231
Power Messages . . . . . . . . . . . . . .114
Running While Parked . . . . . . . . 179
Starting . . . . . . . . . . . . . . . . . . . . . . . 173
Enhanced Technology Glass . . . . 39
Entry/Exit Lighting . . . . . . . . . . . . . . 125
Equipment, Towing . . . . . . . . . . . . . 207
Event Data Recorders . . . . . . . . . . 328
Extender, Seat Belt . . . . . . . . . . . . . . 55
Exterior Lamp Controls . . . . . . . . . 120
Exterior Lamps Off Reminder . . . 121
Exterior Lighting Battery Saver . . . . . . . . . . . . . . . . . . . . . . . . . 125
F
FanEngine . . . . . . . . . . . . . . . . . . . . . . . . 232
Fast Idle System . . . . . . . . . . . . . . . . 174 Filter,
Engine Air Cleaner . . . . . . . . . . . 225
Fixed Mast Antenna . . . . . . . . . . . . 136
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 121
Flashers, Hazard Warning . . . . . . 123
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 274 Changing . . . . . . . . . . . . . . . . . . . . . 276
FlexFuel E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 298
Fluid AutomaticTransmission . . . . . . . . . . . 221, 224
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 235
Power Steering . . . . . . . . . . . . . . . 233
Washer . . . . . . . . . . . . . . . . . . . . . . . 233
Folding Mirrors . . . . . . . . . . . . . . . . . . 37
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . 326
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . . 42
Front Storage . . . . . . . . . . . . . . . . . . . . 87
Front Turn Signal Bulb Replacement . . . . . . . . . . . . 243
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Additives . . . . . . . . . . . . . . . . . . . . . 196
Economy Driving . . . . . . . . . . . . . . . 23

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-11374214) -
2018 - CRC - 2/2/18
346 Index
Fuel (cont'd)Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 199
Filling the Tank . . . . . . . . . . . . . . . 198
Foreign Countries . . . . . . . . . . . . 196
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Low Fuel Warning Light . . . . . . . 108
Requirements, California . . . . . 196
Full-Size Spare Tire . . . . . . . . . . . . 283
Fuses
Engine Compartment FuseBlock . . . . . . . . . . . . . . . . . . . . . . . . 247
Floor Console Fuse Block . . . . 251
Fuses and Circuit Breakers . . . 246
G
Gas Strut(s) . . . . . . . . . . . . . . . . . . . . 241
Gauges Engine Coolant
Temperature . . . . . . . . . . . . . . . . 100
Engine Oil Pressure . . . . . . . . . . . . 99
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
Odometer . . . . . . . . . . . . . . . . . . . . . . . 98
Speedometer . . . . . . . . . . . . . . . . . . . 98
Trip Odometer . . . . . . . . . . . . . . . . . . 98
Voltmeter . . . . . . . . . . . . . . . . . . . . . 100
Warning Lights and Indicators . . . . . . . . . . . . . . . . . . . . . 96 General Information
Service and Maintenance . . . . . 299
Towing . . . . . . . . . . . . . . . . . . . . . . . . 200
Vehicle Care . . . . . . . . . . . . . . . . . . 212
Glass, Enhanced Technology . . . . 39
GM Mobility Reimbursement Program . . . . . . . . . . . . . . . . . . . . . . . 320
H
Halogen Bulbs . . . . . . . . . . . . . . . . . . 243
Hazard Warning Flashers . . . . . . . 123
Head Restraints . . . . . . . . . . . . . . . . . 42
Headlamps
Aiming . . . . . . . . . . . . . . . . . . . . . . . . 242
Automatic . . . . . . . . . . . . . . . . . . . . . 122
Bulb Replacement . . . . . . . . . . . . 243
Daytime RunningLamps (DRL) . . . . . . . . . . . . . . . . 121
Flash-to-Pass . . . . . . . . . . . . . . . . . 121
High-Beam On Light . . . . . . . . . . 109
High/Low Beam Changer . . . . . 121
Heated Mirrors . . . . . . . . . . . . . . . . . . . 37
Heater Engine Coolant . . . . . . . . . . . . . . . 175
Heating . . . . . . . . . . . . . . . . . . . . 154, 156
High-Beam On Light . . . . . . . . . . . . 109
Hill and Mountain Roads . . . . . . . . 165
Hill Start Assist (HSA) . . . . . . . . . . 186 Hood . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Horn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
How to Wear Seat Belts
Properly . . . . . . . . . . . . . . . . . . . . . . . . 48
HVAC . . . . . . . . . . . . . . . . . . . . . . 154, 156
I
Idle System Fast . . . . . . . . . . . . . . . . . . . . . . . . . . 174
Ignition Positions . . . . . . . . . . . . . . . 172
Ignition Transmission Lock Check . . . . . . . . . . . . . . . . . . . . . . . . . 240
Immobilizer . . . . . . . . . . . . . . . . . . . . . . 34
Infants and Young Children, Restraints . . . . . . . . . . . . . . . . . . . . . . 69
Infotainment . . . . . . . . . . . . . . . . . . . . 127
Infotainment System . . . . . . . . . . . . 329
Instrument Cluster . . . . . . . . . . . . . . . 97
Interior Rearview Mirrors . . . . . . . . . 37
Introduction . . . . . . . . . . . . . . . . . . . . . . . 2
J
Jump Starting - North America . . . . . . . . . . . . . . . . . . . . . . . 284
K
Keyless EntryRemote (RKE) System . . . . . . . . . 26
Keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24