2002 NISSAN SENTRA change key battery

BATTERY REPLACEMENT
Replace the battery in the keyfob as follows:
1. Open the lid using a coin.
2. Remove the battery.
3. Install a new battery.Recommended battery: Sanyo CR2025
or equivalent.
4.Close the lid securely.
5. Press the LOCK button, then the UN-
LOCK button two or three times to check
the keyfob operation.
If the battery is removed for any reason
other than replacement, perform step five.
cAn improperly disposed battery can
hurt the environment. Always confirm
local regulations for battery disposal.
cThe keyfob is water-resistant; how-
ever, if it does get wet, immediately
wipe completely dry.
cThe operational range of the keyfob
extends to approximately 49 ft (15 m)
from the vehicle. This range may vary
with conditions.
FCC Notice:
Changes or modifications not expressly
approved by the manufacturer for com-
pliance could void the user's authority to
operate the equipment.
This device complies with Part 15 of the
FCC Rules and RSS-210 of Industry
Canada.
Operation is subject to the following two
conditions: (1) This device may not
cause harmful interference, and (2) this
device must accept any interference re-
ceived, including interference that may
cause undesired operation of the device.WPD0023
3-8Pre-driving checks and adjustments
ZX

Replace the battery in the keyfob as follows:
1. Open the lid using a coin.
2. Remove the battery.
3. Install a new battery.Recommended battery: Sanyo CR2025 or
equivalent.
4.
Close the lid securely.
5. Press the LOCK button, then the UN-
LOCK button two or three times to check
the keyfob operation.
If the battery is removed for any reason
other than replacement, perform step five.
cAn improperly disposed battery can
hurt the environment. Always confirm
local regulations for battery disposal.
cThe keyfob is water-resistant; how-
ever, if it does get wet, immediately
wipe completely dry.
cThe operational range of the keyfob
extends to approximately 49 ft (15 m)
from the vehicle. This range may vary
with conditions.
FCC Notice:
Changes or modifications not expressly
approved by the manufacturer for com-
pliance could void the user's authority to
operate the equipment.
This device complies with Part 15 of the
FCC Rules and RSS-210 of Industry
Canada.
Operation is subject to the following two
conditions: (1) This device may not
cause harmful interference, and (2) this
device must accept any interference re-
ceived, including interference that may
cause undesired operation of the device.
WPD0023
KEYFOB BATTERY
REPLACEMENT
Maintenance and do-it-yourself8-35
ZX

10 Index
A
Air bag (See supplemental restraint
system) ........................................................ 1-6
Air bag warning light .......................... 1-16, 2-9
Air cleaner housing filter ............................ 8-24
Air conditioner
Air conditioner operation ........................ 4-5
Air conditioner specification label ......... 9-12
Air conditioner system refrigerant and
lubrication recommendations.................. 9-7
Heater and air conditioner controls ........ 4-3
Servicing air conditioner ......................... 4-9
Air flow charts .............................................. 4-6
Alarm system (See vehicle security
system) ...................................................... 2-11
Anchor point locations ............................... 1-34
Antenna...................................................... 4-19
Anti-lock brake system (ABS).................... 5-19
Anti-lock brake warning light ....................... 2-7
Ashtray (See cigarette lighter and
ashtray) ...................................................... 2-20
Audio system
Compact Disc (CD) changer ................ 4-17
FM-AM radio with compact disc (CD)
player .................................................... 4-12
Automatic
Automatic power window switch .......... 2-25Automatic transmission fluid (ATF) ...... 8-15
Driving with automatic transmission ....... 5-7
Transmission selector lever lock
release .................................................. 5-10
B
Battery........................................................ 8-19
Battery
Charge warning light .............................. 2-8
Battery replacement (See remote keyless
entry system) ............................................... 3-8
Before starting the engine ........................... 5-6
Belts (See drive belts) ............................... 8-22
Brake
Anti-lock brake system (ABS) .............. 5-19
Brake booster ....................................... 8-30
Brake fluid............................................. 8-18
Brake light (See stop light) ................... 8-40
Brake pedal .......................................... 8-30
Brake system ........................................ 5-19
Brake warning light ................................. 2-8
Brake wear indicators ................. 2-11, 8-30
Parking brake check ............................. 8-29
Parking brake operation ....................... 5-13
Self-adjusting brakes ............................ 8-30
Break-in schedule ...................................... 5-16
Bulb check/instrument panel ....................... 2-7Bulb replacement ....................................... 8-40
C
Capacities and recommended fuel/
lubricants...................................................... 9-2
Car phone or CB radio .............................. 4-20
Cargo (See vehicle loading information) ... 9-14
Child restraint with top tether strap ........... 1-34
Child restraints ........................ 1-20, 1-25, 1-32
Child safety rear door lock .......................... 3-4
Cigarette lighter (accessory) and
ashtray ....................................................... 2-20
Cleaning exterior and interior ...................... 7-2
Clock .......................................................... 4-13
Clutch
Clutch fluid ............................................ 8-18
Clutch pedal.......................................... 8-31
Cold weather driving .................................. 5-21
Controls
Heater and air conditioner controls ........ 4-3
Coolant
Capacities and recommended fuel/
lubricants ................................................ 9-2
Changing engine coolant...................... 8-10
Checking engine coolant level ............... 8-9
Engine coolant temperature gauge ........ 2-5
ZX