low oil pressure GMC SAVANA 2021 User Guide

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-14583543) -
2021 - crc - 7/10/20
244 Vehicle Care
and rotors for surface condition. Inspect
drum brake linings/shoes for wear or cracks.
Inspect all other brake parts.
Steering, Suspension, and Chassis
Components
Visually inspect steering, suspension, and
chassis components for damaged, loose,
or missing parts or signs of wear at least
once a year.
Inspect power steering for proper
attachment, connections, binding, leaks,
cracks, chafing, etc.
Visually check constant velocity joint boots
and axle seals for leaks.
Lubricate the upper and lower control arm
ball joints, at least every other engine oil
change.
Lubricate the tie rod ball joints, idler arm
pivot shaft bearings, idler arm socket, and
pitman arm socket, at least every other
engine oil change.
Caution
Lubrication of applicable steering/
suspension points should not be done
unless the temperature is−12 °C (10 °F) or
higher, or damage could result.
Body Component Lubrication
Lubricate all key lock cylinders, hood hinges,
liftgate hinges, and the fuel door hinge
unless the components are plastic. Applying
silicone grease on weatherstrips with a clean
cloth will make them last longer, seal better,
and not stick or squeak.
Underbody Maintenance
At least twice a year, spring and fall, use
plain water to flush dirt and debris from the
vehicle's underbody. Your dealer or an
underbody car washing system can do this.
If not removed, rust and corrosion can
develop.
Do not directly power wash the transfer
case and/or front/rear axle output seals.
High pressure water can overcome the seals
and contaminate the fluid. Contaminated
fluid will decrease the life of the transfer
case and/or axles and should be replaced.
Sheet Metal Damage
If the vehicle is damaged and requires sheet
metal repair or replacement, make sure the
body repair shop applies anti-corrosion
material to parts repaired or replaced to
restore corrosion protection.
Original manufacturer replacement parts will
provide the corrosion protection while
maintaining the vehicle warranty.
Finish Damage
Quickly repair minor chips and scratches
with touch-up materials available from your
dealer to avoid corrosion. Larger areas of
finish damage can be corrected in your
dealer's body and paint shop.
Chemical Paint Spotting
Airborne pollutants can fall upon and attack
painted vehicle surfaces causing blotchy,
ring-shaped discolorations, and small,
irregular dark spots etched into the paint
surface. See “Finish Care” previously in this
section.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-14583543) -
2021 - crc - 7/10/20
Vehicle Care 245
Interior Care
To prevent dirt particle abrasions, regularly
clean the vehicle's interior. Immediately
remove any soils. Newspapers or dark
garments can transfer color to the vehicle’s
interior.
Use a soft bristle brush to remove dust from
knobs and crevices on the instrument
cluster. Using a mild soap solution,
immediately remove hand lotions,
sunscreen, and insect repellent from all
interior surfaces or permanent damage may
result.
Use cleaners specifically designed for the
surfaces being cleaned to prevent
permanent damage. Apply all cleaners
directly to the cleaning cloth. Do not spray
cleaners on any switches or controls.
Remove cleaners quickly.
Before using cleaners, read and follow all
safety instructions on the label. While
cleaning the interior, open the doors and
windows to get proper ventilation.
To prevent damage, do not clean the
interior using the following cleaners or
techniques:
.Never use a razor or any other sharp
object to remove soil from any interior
surface.
.Never use a brush with stiff bristles.
.Never rub any surface aggressively or
with too much pressure.
.Do not use laundry detergents or
dishwashing soaps with degreasers. For
liquid cleaners, use approximately
20 drops per 3.8 L (1 gal) of water.
A concentrated soap solution will create
streaks and attract dirt. Do not use
solutions that contain strong or
caustic soap.
.Do not heavily saturate the upholstery
when cleaning.
.Do not use solvents or cleaners containing
solvents.
Interior Glass
To clean, use a terry cloth fabric dampened
with water. Wipe droplets left behind with a
clean dry cloth. If necessary, use a
commercial glass cleaner after cleaning with
plain water.
Caution
To prevent scratching, never use abrasive
cleaners on automotive glass. Abrasive
cleaners or aggressive cleaning may
damage the rear window defogger.
Cleaning the windshield with water during
the first three to six months of ownership
will reduce tendency to fog.
Speaker Covers
Vacuum around a speaker cover gently, so
that the speaker will not be damaged. Clean
spots with water and mild soap.
Coated Moldings
Coated moldings should be cleaned.
.When lightly soiled, wipe with a sponge
or soft, lint-free cloth dampened with
water.
.When heavily soiled, use warm soapy
water.
Fabric/Carpet/Suede
Start by vacuuming the surface using a soft
brush attachment. If a rotating vacuum
brush attachment is being used, only use it
on the floor carpet. Before cleaning, gently
remove as much of the soil as possible:

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-14583543) -
2021 - crc - 7/10/20
250 Service and Maintenance
help the longevity and efficient operation of
the air conditioning system. This service can
be complex. See your dealer.
Tire Rotation and Required Services
Every 12 000 km (7,500 mi)
Rotate the tires, if recommended for the
vehicle, and perform the following services.
SeeTire Rotation 0220.
.Check engine oil level and oil
life percentage. If needed, change engine
oil and filter, and reset oil life system.
See Engine Oil 0184 and
Engine Oil Life System 0186.
.Check engine coolant level. See Cooling
System 0191.
.Check windshield washer fluid level. See
Washer Fluid 0196.
.Check tire inflation pressures, including
the spare. See Tire Pressure0216.
.Inspect tire wear. See Tire Inspection
0 220.
.Visually check for fluid leaks.
.Inspect engine air cleaner filter. See
Engine Air Cleaner/Filter 0189.
.Inspect brake system. See Exterior Care
0 241.
.Visually inspect steering, suspension, and
chassis components for damage, including
cracks or tears in the rubber boots, loose
or missing parts, or signs of wear at least
once a year. See Exterior Care0241.
.Inspect power steering for proper
attachment, connections, binding, leaks,
cracks, chafing, etc.
.Visually inspect halfshafts and drive
shafts for excessive wear, lubricant leaks,
and/or damage including: tube dents or
cracks, constant velocity joint or universal
joint looseness, cracked or missing boots,
loose or missing boot clamps, center
bearing excessive looseness, loose or
missing fasteners, and axle seal leaks.
.Check restraint system components. See
Safety System Check 035.
.Visually inspect fuel system for damage
or leaks.
.Visually inspect exhaust system and
nearby heat shields for loose or damaged
parts.
.Lubricate body components. See Exterior
Care 0241.
.Check starter switch. See Starter Switch
Check 0200.
.Check automatic transmission shift lock
control function. See Automatic
Transmission Shift Lock Control Function
Check 0201.
.Check ignition transmission lock. See
Ignition Transmission Lock Check 0201.
.Check parking brake and automatic
transmission park mechanism. See Park
Brake and P (Park) Mechanism Check
0 201.
.Check accelerator pedal for damage, high
effort, or binding. Replace if needed.
.Lubricate the steering linkage (greasable
joints). See Normal and Severe
Maintenance Schedules. For severe
commercial use vehicles, see Special
Application Services 0253.
.Visually inspect the spare tire to ensure
that it is tightly stowed under the vehicle.
Push, pull, and try to turn the tire. If the
spare tire moves, tighten as necessary.
See Tire Changing 0228.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-14583543) -
2021 - crc - 7/10/20
Connected Services 279
PressQ, then ask the Advisor to download
directions to the vehicle’s navigation system,
if equipped. After the call ends, the
navigation screen will provide prompts to
begin driving directions. Routes that are sent
to the navigation screen can only be
canceled through the navigation system.
See www.onstar.com (U.S.) or www.onstar.ca
(Canada).
Connections
The following services help with staying
connected.
For coverage maps, see www.onstar.com
(U.S.) or www.onstar.ca (Canada).
Ensuring Security
.Change the default passwords for the
Wi-Fi hotspot and myGMC mobile
application. Make these passwords
different from each other and use a
combination of letters and numbers to
increase the security.
.Change the default name of the SSID
(Service Set Identifier). This is your
network’s name that is visible to other
wireless devices. Choose a unique name
and avoid family names or vehicle
descriptions. Wi-Fi Hotspot (If Equipped)
The vehicle may have a built-in Wi-Fi
hotspot that provides access to the Internet
and web content at 4G LTE speed. Up to
seven mobile devices can be connected.
A data plan is required. Use the in-vehicle
controls only when it is safe to do so.
1. To retrieve Wi-Fi hotspot information, press
=to open the OnStar app on the
infotainment display, then select Wi-Fi
Hotspot. On some vehicles, touch Wi-Fi
or Wi-Fi Settings on the screen.
2. The Wi-Fi settings will display the Wi-Fi hotspot name (SSID), password, and on
some vehicles, the connection type (no
Internet connection, 3G, 4G, 4G LTE), and
signal quality (poor, good, excellent). The
LTE icon shows connection to Wi-Fi. It is
possible that the icon may not illuminate
even though the vehicle has an active
connection.
3. To change the SSID or password, press
Qor call 1-888-4ONSTAR to connect
with an Advisor. On some vehicles, the
SSID and password can be changed in
the Wi-Fi Hotspot menu. After initial set-up, your vehicle’s Wi-Fi
hotspot will connect automatically to your
mobile devices. Manage data usage by
turning Wi-Fi on or off on your mobile
device, using the myGMC mobile app, or by
contacting an OnStar Advisor. On some
vehicles, Wi-Fi can also be managed from
the Wi-Fi Hotspot menu.
MyGMC Mobile App (If Available)
Download the myGMC mobile app to
compatible Apple and Android smartphones.
GMC users can access the following services
from a smartphone:
.Remotely start/stop the vehicle,
if factory-equipped.
.Lock/unlock doors, if equipped with
automatic locks.
.Activate the horn and lamps.
.Check the vehicle’s fuel level, oil life,
or tire pressure, if factory-equipped with
the Tire Pressure Monitor System.
.Send destinations to the vehicle.
.Locate the vehicle on a map (U.S.
market only).
.Turn the vehicle's Wi-Fi hotspot on/off,
manage settings, and monitor data
consumption, if equipped.
.Locate a dealer and schedule service.

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-14583543) -
2021 - crc - 7/10/20
284 Index
Engine (cont'd)Cooling System . . . . . . . . . . . . . . . . . . . . . . . . . 191
Drive Belt Routing . . . . . . . . . . . . . . . . . . . . . 261
Exhaust . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Oil Life System . . . . . . . . . . . . . . . . . . . . . . . . 186
Oil Pressure Gauge . . . . . . . . . . . . . . . . . . . . . 72
Oil Pressure Light . . . . . . . . . . . . . . . . . . . . . . . 80
Overheating . . . . . . . . . . . . . . . . . . . . . . . . . . . 194
Power Messages . . . . . . . . . . . . . . . . . . . . . . . . 85
Running While Parked . . . . . . . . . . . . . . . . . . 141
Starting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
Enhanced Technology Glass . . . . . . . . . . . . . . . . 21
Entry Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Equipment, Towing . . . . . . . . . . . . . . . . . . . . . . . 172
Event Data Recorders . . . . . . . . . . . . . . . . . . . . 272
Exit Lighting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
Extender, Seat Belt . . . . . . . . . . . . . . . . . . . . . . . .35
Exterior Lamp Controls . . . . . . . . . . . . . . . . . . . . 90
Exterior Lamps Off Reminder . . . . . . . . . . . . . 90
Exterior Lighting Battery Saver . . . . . . . . . . . 95
F
Fan Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 195
Fast Idle System . . . . . . . . . . . . . . . . . . . . . . . . . .138 Filter,
Engine Air Cleaner . . . . . . . . . . . . . . . . . . . . . 189
Fixed Mast Antenna . . . . . . . . . . . . . . . . . . . . . 103
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .91
Flashers, Hazard Warning . . . . . . . . . . . . . . . . . 92
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226 Changing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228
Floor Mats . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Fluid Automatic Transmission . . . . . . . . . . 186, 189
Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 197
Power Steering . . . . . . . . . . . . . . . . . . . . . . . . 196
Washer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 196
Folding Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Forward Collision Alert (FCA) System . . . . .154
Frequency Statement Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270
Front Seats Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Front Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Front Turn Signal Bulb Replacement . . . . . . . . . . . . . . . . . . . . . . 202
Fuel Additives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Economy, Driving for Better . . . . . . . . . . . 126
Filling a Portable Fuel Container . . . . . . . 160
Filling the Tank . . . . . . . . . . . . . . . . . . . . . . . . 158
Foreign Countries . . . . . . . . . . . . . . . . . . . . . . 158 Fuel (cont'd)
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Low Fuel Warning Light . . . . . . . . . . . . . . . . 80
Prohibited Fuels . . . . . . . . . . . . . . . . . . . . . . . 158
Recommended . . . . . . . . . . . . . . . . . . . . . . . . . 158
Top Tier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Full-Size Spare Tire . . . . . . . . . . . . . . . . . . . . . . . 235
Fuses
Engine Compartment Fuse Block . . . . . . . 206
Floor Console Fuse Block . . . . . . . . . . . . . . . 209
Fuses and Circuit Breakers . . . . . . . . . . . . . 205
G
GaugesEngine Coolant Temperature . . . . . . . . . . . . 73
Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . . 72
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Speedometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Trip Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Voltmeter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Warning Lights and Indicators . . . . . . . . . . 70
General Information Service and Maintenance . . . . . . . . . . . . . . 248
Towing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160

GMC Savana Owner Manual (GMNA-Localizing-U.S./Canada-14583543) -
2021 - crc - 7/10/20
286 Index
Lights (cont'd)Antilock Brake System (ABS)
Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Brake System Warning . . . . . . . . . . . . . . . . . 77
Charging System . . . . . . . . . . . . . . . . . . . . . . . 76
Check Engine (Malfunction Indicator) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Cruise Control . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Engine Oil Pressure . . . . . . . . . . . . . . . . . . . . . 80
Flash-to-Pass . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
High-Beam On . . . . . . . . . . . . . . . . . . . . . . . . . . 81
High/Low Beam Changer . . . . . . . . . . . . . . . 91
Lane Departure Warning . . . . . . . . . . . . . . . . 79
Low Fuel Warning . . . . . . . . . . . . . . . . . . . . . . 80
Seat Belt Reminders . . . . . . . . . . . . . . . . . . . . 74
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
StabiliTrak OFF . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Tire Pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Tow/Haul Mode . . . . . . . . . . . . . . . . . . . . . . . . 78
Traction Control System (TCS)/StabiliTrak . . . . . . . . . . . . . . . . . . . . . . 79
Locking Rear Axle . . . . . . . . . . . . . . . . . . . . . . . . 148
Locks Automatic Door . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Cargo Door Relocking . . . . . . . . . . . . . . . . . . . . 11
Delayed Locking . . . . . . . . . . . . . . . . . . . . . . . . . 12
Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Lockout Protection . . . . . . . . . . . . . . . . . . . . . . . 12 Locks (cont'd)
Power Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Loss of Control . . . . . . . . . . . . . . . . . . . . . . . . . . .128
Low Fuel Warning Light . . . . . . . . . . . . . . . . . . 80
Lower Anchors and Tethers for Children (LATCH System) . . . . . . . . . . . . . . . . .52
M
Maintenance
Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 257
Maintenance and Care
Additional . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253
Maintenance Schedule . . . . . . . . . . . . . . . . . . . 249 Recommended Fluids andLubricants . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
Malfunction Indicator Lamp . . . . . . . . . . . . . . . 76
Manual Mirrors . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Manual Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
Manual Windows . . . . . . . . . . . . . . . . . . . . . . . . . .19
Media Avoiding Untrusted Devices . . . . . . . . . . . . 104
Messages Engine Power . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
Vehicle Speed . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Mirrors Convex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Mirrors (cont'd)
Folding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Heated . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Manual Rearview . . . . . . . . . . . . . . . . . . . . . . . 19
Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Trailer Tow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Mirrors, Interior Rearview . . . . . . . . . . . . . . . . . .19
Monitor System, Tire Pressure . . . . . . . . . . . . 217
Multi-band Antenna . . . . . . . . . . . . . . . . . . . . . 104
N
Navigation Connected Services . . . . . . . . . . . . . . . . . . . . 278
New Vehicle Break-In . . . . . . . . . . . . . . . . . . . . .134
Noise Control System . . . . . . . . . . . . . . . . . . . . 199
O
Odometer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 Trip . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Off-Road Recovery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Oil Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
Engine Oil Life System . . . . . . . . . . . . . . . . . 186
Engine Oil Pressure Gauge . . . . . . . . . . . . . . 72
Pressure Light . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Older Children, Restraints . . . . . . . . . . . . . . . . . 46
Online Owner Center . . . . . . . . . . . . . . . . . . . . 264