2021 NISSAN LEAF key

8 Do-it yourself
Maintenance precautions.......................8-2
Motor compartment check locations ...........8-4
Cooling system .................................8-5
Checking coolant level .......................8-6
Changing coolant ............................8-6
Reduction gear fluid .............................8-7
Brake fluid .......................................8-7
Windshield-washer fluid .........................8-8
12-volt battery ...................................8-9
Jump starting ................................ 8-11
Windshield wiper blades ........................8-12
Cleaning .................................... 8-12
Replacing ................................... 8-12
Rear window wiper blade ...................8-14
Brakes ......................................... 8-14
Brake pad wear warning ....................8-14Fuses
.......................................... 8-15
Motor compartment ........................ 8-15
Passenger compartment ...................8-18
Nissan Intelligent Key® battery replacement ....8-19
Lights .......................................... 8-21
Headlights .................................. 8-22
Fog lights (if so equipped) ...................8-22
Exterior and interior lights ...................8-23
Wheels and tires ............................... 8-25
Tire pressure ................................ 8-25
Tire labeling ................................. 8-30
Types of tires ................................ 8-32
Tire chains .................................. 8-33
Changing wheels and tires ..................8-34
Emergency tire puncture repair kit ..........8-37

Extended storage switch
If any electrical equipment does not oper-
ate, remove the extended storage switch
and check for an open fuse.
NOTE:
The extended storage switch is used for
long term vehicle storage. Even if the ex-
tended storage switch is broken it is not
necessary to replace it. Replace only the
open fuse in the switch with a new one.How to replace the extended storage
switch:
1. To remove the extended storage switch,
be sure the power switch is in the OFF
position.
2. Be sure the headlight switch is in the OFF position.
3. Remove the fuse box cover.
4. Pinch the locking tabs
O1andO2found
on each side of the storage switch.
5. Pull the storage switch straight out from the fuse box
O3.
CAUTION
• Be careful not to allow children to
swallow the battery and removed
parts.
• An improperly disposed battery can
harm the environment. Always con-
firm local regulations for battery
disposal.
• When changing batteries, do not let
dust or oil get on the components.
• There is danger of explosion if the
lithium battery is incorrectly re-
placed. Replace only with the same
or equivalent type.
LDI3205
NISSAN INTELLIGENT KEY® BATTERY
REPLACEMENT
Do-it yourself8-19

Replace the battery in the Intelligent Key as
follows:
1. Remove the mechanical key from theIntelligent Key. 2. Insert a small screwdriver into the slit of
the corner and twist it to separate the
upper part from the lower part. Use a
cloth to protect the casing.
3. Replace the battery with a new one. Recommended battery:
CR2025 or equivalent• Do not touch the internal circuit and electric terminals as doing so could
cause a malfunction.
• Hold the battery by the edges. Holding the battery across the contact points
will seriously deplete the storage
capacity.
• Make sure that the side faces the
bottom of the case. 4. Align the tips of the upper and lower
parts
O1, and then push them together
O2until it is securely closed.
5. Operate the buttons to check that it is functioning properly.
It is recommended that you visit a NISSAN
certified LEAF dealer for this service.
SDI2451
SDI2452
8-20Do-it yourself

Severe maintenance:
Inspections:
• Axle & suspension parts
• Front suspension ball joints
• Steering gear and linkage
• Steering linkage ball joints
Essential:
• Replace brake fluid
(1) Review of the EV Battery Usage Report is
required as a condition of EV battery war-
ranty. Refer to your 2020 LEAF warranty in-
formation booklet for details. Both the 12
month and 24 month inspections will be
performed by your NISSAN certified LEAF
dealer at no cost to the vehicle owner.
(2) Performed based on the number of ser-
vice months only.22,500 miles/(36,000 km)/
18 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Inspect Intelligent Key battery (1)
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
• Suspension components (shocks, sub- frame, tie rods)
Essential:
• Tire rotation
Severe maintenance:
Inspections:
• Axle & suspension parts
• Brake pads & rotors
• Drive shaf t boots
• Front suspension ball joints
• Steering gear and linkage
• Steering linkage ball joints
(1) Performed based on the number of ser-
vice months only.
30,000 miles/(48,000 km)/
24 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Axle & suspension parts
• Brake lines & cables
• Brake pads & rotors
• Charging port
• Charging port sealing cap
• Drive shaf t boots
• EV Battery Usage Report (1) (2)
• Front suspension ball joints
• Reduction gear oil
• Steering gear and linkage
• Steering linkage ball joints
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
• Suspension components (shocks, sub- frame, tie rods)
Maintenance and schedules9-9

Essential:
• Replace brake fluid
• Replace in-cabin microfilter
• Tire rotation
Severe maintenance:
Not applicable. Proceed to next interval.
(1) Review of the EV Battery Usage Report is
required as a condition of EV battery war-
ranty. Refer to your 2020 LEAF warranty in-
formation booklet for details. Both the 12
month and 24 month inspections will be
performed by your NISSAN certified LEAF
dealer at no cost to the vehicle owner.
(2) Performed based on the number of ser-
vice months only.37,500 miles/(60,000 km)/
30 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
• Suspension components (shocks, sub- frame, tie rods)
Essential:
• Tire rotation
Severe maintenance:
Inspections:
• Axle & suspension parts
• Brake pads & rotors
• Drive shaf t boots
• Front suspension ball joints
• Steering gear and linkage
• Steering linkage ball joints
45,000 miles/(72,000 km)/
36 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• Charging port
• Drive shaf t boots
• EV Battery Usage Report (1) (2)
• Reduction gear oil
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
• Suspension components (shocks, sub- frame, tie rods)
Essential:
• Replace intelligent key battery (2)
• Replace in-cabin microfilter
• Tire rotation
9-10Maintenance and schedules

Essential:
• Replace brake fluid
• Replace in-cabin microfilter
• Tire rotation
Severe maintenance:
Not applicable. Proceed to next interval.
(1) Review of the EV Battery Usage Report is
required as a condition of EV battery war-
ranty. Refer to your 2020 LEAF warranty in-
formation booklet for details. Both the 12
month and 24 month inspections will be
performed by your NISSAN certified LEAF
dealer at no cost to the vehicle owner.
(2) Performed based on the number of ser-
vice months only.67,500 miles/(108,000 km)/
54 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
• Suspension components (shocks, sub- frame, tie rods)
Essential:
• Replace intelligent key battery (1)
• Tire rotation
Severe maintenance:
Inspections:
• Axle & suspension parts
• Brake pads & rotors
• Drive shaf t boots
• Front suspension ball joints
• Steering gear and linkage
• Steering linkage ball joints
(1) Performed based on the number of ser-
vice months only.
75,000 miles/(120,000 km)/
60 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• Charging port
• Drive shaf t boots
• EV Battery Usage Report (1) (2)
• Reduction gear oil
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
• Suspension components (shocks, sub- frame, tie rods)
Essential:
• Replace in-cabin microfilter
• Tire rotation
9-12Maintenance and schedules

Essential:
• Replace intelligent key battery (2)
• Replace brake fluid
• Replace in-cabin microfilter
• Tire rotation
Severe maintenance:
Not applicable. Proceed to next interval.
(1) Review of the EV Battery Usage Report is
required as a condition of EV battery war-
ranty. Refer to your 2020 LEAF warranty in-
formation booklet for details. Both the 12
month and 24 month inspections will be
performed by your NISSAN certified LEAF
dealer at no cost to the vehicle owner.
(2) Performed based on the number of ser-
vice months only.97,500 miles/(156,000 km)/
78 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
• Suspension components (shocks, sub- frame, tie rods)
Essential:
• Tire rotation
Severe maintenance:
Inspections:
• Axle & suspension parts
• Brake pads & rotors
• Drive shaf t boots
• Front suspension ball joints
• Steering gear and linkage
• Steering linkage ball joints
105,000 miles/(168,000 km)/
84 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Brake lines & cables
• Brake pads & rotors
• Charging port
• Drive shaf t boots
• EV Battery Usage Report (1) (2)
• Reduction gear oil
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
• Suspension components (shocks, sub- frame, tie rods)
Essential:
• Replace in-cabin microfilter
• Tire rotation
9-14Maintenance and schedules

Severe maintenance:
Inspections:
• Axle & suspension parts
• Front suspension ball joints
• Steering gear and linkage
• Steering linkage ball joints
Essential:
• Replace brake fluid
(1) Review of the EV Battery Usage Report is
required as a condition of EV battery war-
ranty. Refer to your 2020 LEAF warranty in-
formation booklet for details. Both the 12
month and 24 month inspections will be
performed by your NISSAN certified LEAF
dealer at no cost to the vehicle owner.
(2) Performed based on the number of ser-
vice months only.112,500 miles/(180,000 km)/
90 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Horn, lights, signals, wipers, rear hatch/hood lif t supports
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
• Suspension components (shocks, sub- frame, tie rods)
Essential:
• Replace intelligent key battery (1)
• Tire rotation
Severe maintenance:
Inspections:
• Axle & suspension parts
• Brake pads & rotors
• Drive shaf t boots
• Front suspension ball joints
• Steering gear and linkage
• Steering linkage ball joints
(1) Performed based on the number of ser-
vice months only.
120,000 miles/(192,000 km)/
96 months
Perform at number of miles, kilometers or
months, whichever comes first.
Standard maintenance:
Inspections:
• Axle & suspension parts
• Brake lines & cables
• Brake pads & rotors
• Charging port
• Charging port sealing cap
• Drive shaf t boots
• EV Battery Usage Report (1) (2)
• Front suspension ball joints
• Reduction gear oil
• Steering gear and linkage
• Steering linkage ball joints
• Horn, lights, signals, wipers, rear hatch/ hood lif t supports
• Battery terminals and cables, battery test
• Tire pressure, treadwear and depth
• Suspension components (shocks, sub- frame, tie rods)
Maintenance and schedules9-15