2020 MASERATI GRANTURISMO CONVERTIBLE service indicator

and automatic transmission control
systems. When these systems are
operating properly, your vehicle will
provide excellent performance and
fuel economy, as well as engine
emissions well within current local
regulations of various countries.
If any of these systems require service,
the system will turn on the
Malfunction Indicator Light (MIL).
It will also store diagnostic codes and
other information, which your
Authorized Maserati Dealerwill use to
service your vehicle. Although the
vehicle will still be driveable and not
need towing, contact theAuthorized
Maserati Dealerfor service as soon as
possible.
CAUTION!
• Prolonged driving with the
Malfunction Indicator Light (MIL)
on could cause further damage to
the emissions control system. It could
also affect fuel economy and
drivability. The vehicle must be
serviced before any emissions tests
can be performed.
•Ifthe
Malfunction Indicator
Light (MIL) is flashing while the
engine is running, severe catalytic
converter damage and power loss
will soon occur. Immediate service is
required at anAuthorized Maserati
Dealer.
• After the problem has been solved,
theAuthorized Maserati Dealer
personnel will perform specific tests
on the test bench for a complete
check of the system and, if necessary,
also road tests, even on long
distances.
In addition, the system is equipped
with a diagnostics connector that,
when interfaced with suitable
instruments, makes it possible to read
the error codes stored in the ECU,
together with a set of specific
parameters for engine operationdiagnostics cycle, on compliance with
CARB, EPA OBDII rules.
CAUTION!
• Once the engine is started, the
Malfunction Indicator Light (MIL)
will remain on for approximately 18
seconds before turning off. This is a
normal condition and part of the
operating strategy.
• When the key in the ignition switch
is turned toMAR (ON)position if the
Malfunction Indicator Light (MIL)
does not illuminate or if it
illuminates while driving, contact
your localAuthorized Maserati
Dealeras soon as possible.
WARNING!
California Proposition 65
Operating, servicing and maintaining
a passenger vehicle or off-road vehicle
can expose you to chemicals including
such as, engine exhaust, carbon
monoxide, phthalates and lead, that
which are know to the State of
California to cause cancer and birth
defects or other reproductive harm. To
minimize exposure, avoid breathing
Driving
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184

Scheduled Maintenance
Service
Correct maintenance is clearly the best
way to guarantee vehicle performance
and safety features, ensure respect for
the environment and low operating
costs.
NOTE:
Also remember that the scrupulous
observance of the maintenance
procedures is essential for keeping
your vehicle operating properly. Not
adhering to the “Scheduled Service
Plan” can impact your vehicle’s
warranty.
Interval Running Coupons
Maserati has therefore provided for a
series of checks and maintenance
operations involving the 1
stservice
when the vehicle mileage reaches
12500 mi (20000 km) or after 2 years of
the vehicle's life, and subsequently
every 12500 mi (20000 km) or every 2
years.
After the 12
thservice, maintenance
must be restarted with the operations
scheduled for the 1
st,2ndand 3rd
service.
CAUTION!
The Scheduled Maintenance services
are prescribed by the Manufacturer.
Failure to have the services carried out
can affect your warranty.
The Scheduled Maintenance service is
provided by the wholeAuthorized
Maserati Dealer. In the event that,
when a service is performed, further
replacements or repairs are found to
be necessary in addition to the
scheduled operations, these can be
carried out only with the specific
consent of the Customer.
CAUTION!
You are advised to notify the
Authorized Maserati Dealerof any
minor operating problem, without
waiting for the next scheduled service.
NOTE:
•Change your vehicle's oil if it has
been 2 years since your last oil
change.
•Change your engine oil more often if
you drive your vehicle off-road for an
extended period of time or shorttrips without reaching operation
temperature.
•Under no circumstances should oil
change intervals exceed 12500 mi
(20000 km) or at least after 2 years.
CAUTION!
Failure to perform the required
maintenance items may result in
damage to the vehicle.
Scheduled Maintenance
(Service) Indicator
When the deadlines for maintenance
Scheduled Maintenance services are
approaching, a message on the
instrument cluster display indicates
that service is due. The deadline may
be expressed in miles/Km or days,
whichever comes first.
The message is displayed only once,
upon activating the instrument cluster,
at decreasing intervals expressed in
mi/km (100, 50...... 1800, 1600,) or in
days (27, 24, ....... 6, 3), accompanied
by the
specific symbol.
Maintenance and Care
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232

you should perform the following
inspections more frequently than
recommended on the “Scheduled
Service Plan”:
• check front disc brake pad conditions
and wear;
• check cleanliness of hood and trunk
locks, cleanliness and lubrication of
linkage;
• visually inspect conditions of: engine,
transmission, pipes and hoses
(exhaust - fuel system - brakes) and
rubber elements (trunks - sleeves -
bushes - etc.);
• check battery charge;
• visually inspect condition of the
accessory drive belts;
• check and, if necessary, change
engine oil and replace oil filter;
• check and, if necessary, replace
pollen filter of the A/C system;
• check and, if necessary, replace air
cleaner filter.
CAUTION!
All maintenance operations for the
vehicle must be carried out by the
Authorized Maserati Dealer. For
routine and minor maintenance
operations which you can carry outyourself, make sure that you have the
necessary experience and always use
suitable equipment, originalMaserati
spare parts (or equivalent) and the
prescribed fluids. Shall this not be the
case, do not carry any operation on
your own and contact anAuthorized
Maserati Dealer.
Onboard Diagnostic System
Your vehicle is equipped with a
sophisticated onboard diagnostic
system. This system monitors the
performance of the emissions, engine,
and automatic transmission control
systems. When these systems are
operating properly, your vehicle will
provide excellent performance and
fuel economy, as well as engine
emissions suited to current
government regulations.
If any of these systems require service,
the system will turn on the
Malfunction Indicator Light on the
instrument cluster display (refer to
“Instrument Cluster” in section
“Dashboard Instruments and
Controls”). The system stores as well
diagnostic codes and other
information to assist your service
technician by performing repairs.Although the vehicle will be driveable
and will not need towing, contact an
Authorized Maserati Dealerfor service
as soon as possible.
CAUTION!
• Prolonged driving with the
MIL
on could cause further damage to
the emissions control system. It could
also affect fuel economy and
drivability. The vehicle must be
serviced before any emissions tests
can be performed.
•Ifthe
MIL is flashing while the
engine is running, severe catalytic
converter damage and power loss
will soon occur. Immediate service at
theAuthorized Maserati Dealeris
required.
Spare Parts
Use of genuine parts for normal or
scheduled maintenance and repairs is
highly recommended to ensure
excellent performance.
Damage or failures caused by
non-genuine spare parts used for
maintenance and repairs will not be
covered by the manufacturer's
warranty.
Maintenance and Care
7
238

Jump Starting Procedure......225
ToolKit..................212
Towing a Disabled Vehicle.....228
Engine
Engine Air Filter Replacement . .245
Engine Coolant Level Check. . . .240
Engine Oil Level Check.......243
Engine Overheating.........214
Engine Start Failure.........159
Engine Turn Off............159
Hood, Open and Close........37
Normal Starting of the Engine . .158
Use of the Engine...........183
EPB (Electric Parking Brake)......174
ESC (Electronic Stability Control) . .177
Filters
A/C Air Filter Replacement.....263
Engine Air Filter Replacement . .245
Fuel
Carbon Monoxide Warning. . . .201
Emergency Fuel Filler Door
Release..................203
Fuel Consumption Data.......278
Fuel Requirements..........199
Fuel System Warnings........201
Gasoline/Oxygenate Blends. . . .200
Materials Added to Fuel......201
MMT in Gasoline...........200
Reformulated Gasoline.......200
Fuses Position and Replacement. . .251
HomeLink..................108Hood, Open and Close..........37
Indicator Lights
Air bag Warning Light........66
Indicator Lights/Warning Lights
TFT Display: Warning/Indicator
Lights...................126
Warning and Indicator Lights on
Analog Instrument..........119
Inertia Switch, Fuel Cut-out......229
Infotainment System..........130
Manual Controls and Devices . .132
Installing a LATCH-Compatible
Child Restraint System.........57
Instrument Cluster............118
Interior Components...........70
Interior Maintenance and Cure . . .268
Interiors Features.............102
Jump Start Procedure.........
.226
Keys
......................22
Level Checks................240
Adding Windshield/Headlight
Washer..................243
Brake Fluid Level Check.......242
Engine Coolant Level Check. . . .240
Engine Oil Level Check.......240
Power Steering Fluid Level
Check...................245
Transmission Oil Check.......245
Lights.....................82Adaptive Bi-Xenon Headlights . . .84
Automatic Headlights.........84
Bulb Replacement..........257
Cargo Light................88
DRL, Daytime Running Lights....83
Front Domelights............87
Hazard Warning Flasher.......88
Headlights................84
High Beams and Flashing......86
Light Switch...............82
Parking Lights..............84
Rear Fog Lights.............85
Turn Signals................86
Twilight Sensor.............85
Loading the Vehicle
Vehicle Load Carrying Capacity . .107
Maintenance
A/C System Maintenance......262
Bodywork Maintenance and
Care....................265
Interior Maintenance and Care . .268
Maintenance Procedures......239
Periodic Maintenance........237
Scheduled Maintenance
Service..................232
Scheduled Service Plan.......234
Wheels Maintenance........263
Maserati Roadside Assistance
Program...................15
MIL (Malfunction Indicator Light). .119
Mirrors
Folding Mirrors.............81
Index
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287

Inside Rearview Mirror........81
Mirrors Positioning...........80
Outside Mirrors.............80
MTC+ “Controls” Screen........141
MTC+ Settings - Customer
Programmable Features.......141
MTC+ System (Maserati Touch
Control Plus), Controls........138
Onboard Computer (Trip).......167
Onboard Diagnostics System.....183
ORC
(Occupant Restraint Controller) . . .50
Park Assist...................60
Parking....................176
Parking Brake...............174
Emergency Release of Parking
Brake...................220
Parking (Camera)..............63
Part Service..................11
Pets, transporting.............59
Phone/Bluetooth
Phone and Voice Controls on
Steering Wheel.............155
Phone/Bluetooth, Customer
settings..................147
Phone Mode..............156
Voice Commands...........156
Pollution Control Devices.......207
Power Outlets...............102
Refillings...................276Refueling..................202
Reporting Safety Defects.........10
Restraint System
Child Restraint Systems........54
Occupant Restraint System......38
Roadside Assistance Program......15
Safety
Child Restraint Systems........54
Occupant Restraint System......38
Safety Tips.................65
Supplemental Restraint System -
Air bags..................46
Scheduled Maintenance Service . . .232
Scheduled Service Plan.........234
SD Memory Card, USB and AUX
Ports.....................132
Seat Belt
Load Limiting Devices.........44
Loking Retractor (ALR) Mode....43
Rear Passenger Seat Belts.......42
Seat Belt Reminder Light
.....
.121
Seat Belt Reminder System (SBR) . .45
Seat Belts and Pregnant Women . .45
Seat Belts Pretensioners........44
Three-Point Seat Belts.........40
Three-Point Seat Belts Untwisting
Procedure.................42
Seats, Front..................74
Front Seats Cupholders.......103
Power Lumbar..............75
Seat Adjustment.............74
Seatback Tilt...............75Seats, Rear..................78
Rear Armrest...............79
Rear Head Restraints..........78
Rear Seats Cupholders........104
Service and Warranty............8
Siri Smart Personal Assistant.....156
Skyhook Suspension...........114
Smoking Kit.................106
Snow Chains................193
SRS (Supplemental Restraint System) -
Air Bags...................46
Start the Engine
Engine Start Failure..........159
Normal Starting of the Engine . .158
Steering Wheel Adjustment.......79
Phone and Voice Controls on
Steering Wheel.............155
Stored, Vehicle...............269
Stuck Vehicle, Freeing..........223
Symbols....................12
Tank, Fuel Refill..............202
Technical Data...............279
Telltales
Telltales on Speedometer......119
Telltales on Tachometer.......121
TFT Display: Warning/Indicator
Lights...................124
TFT Display
Controls..................124
Menus and Settings..........124
Screen Pages..............125
Tire Repair Kit...............214
Index
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288

Tires
Department of Transportation
Uniform Tire Quality Grades. . . .189
General Information.........187
Inflation Pressure...........284
Punctured Tire.............214
Replacement Tires..........192
Snow Chains..............193
Tire Pressure..............190
Tire Pressure Checkup........191
Tire Repair Kit.............214
Tire Safety Information.......187
Tires Durability.............192
TPMS - Tire Pressure Monitoring
System..................194
Tread Wear Indicators........191
Winter Tires...............193
ToolKit ...................212
Towing the Vehicle...........228
TPMS System................194
Transmission, Automatic
Automatic Transmission Lever . .160
Malfunction and Overheating
Conditions................166
Transmission Manual Release of
P (Park) Position............221
Trip - Onboard Computer.......167
Trunk
Trunk Safety...............37
Trunk Compartment Lid.........35Trunk Lid
Trunk Lid Emergency Release from
inside the Trunk.............37
Updating....................7
USB, AUX and SD Memory Card
Ports....................132
Vehicle Identification Data
Homologation Labels.........18
Vehicle Identification Number
(VIN)....................17
Warning and Information Labels .18
Voice Commands.............156
Warning Icons.................6
Warning/Indicator Lights on TFT
Display...................126
Warnings when Driving.........14
Warranty and Service............8
Warranty Information..........10
Wheels
Tires Maintenance..........263
Wheels Rims Maintenance....
.265
Windows
Auto Down/Auto Up Feature....34
Reset Auto-Up/Down.........35
Windshield Wipers and Washers . . .89
Adding Washer, Headlight Washer
Fluid....................243
Rain Sensing Wipers..........90
Windshield and Headlight
Washers..................91Windshield Wipers...........89
Wiper Maintenance and Blades
Replacement..............245
Index
9
289