1999 NISSAN ALTIMA engine overheat

of at least 87 AKI (Anti-Knock Index) num-
ber. However, you may use unleaded gaso-
line with an octane rating as low as 85 AKI
(Anti-Knock Index) number in high altitude
areas [over 4,000 ft (1,219 m)] such as:
Colorado, Montana, New Mexico, Utah,
Wyoming, northeastern Nevada, southern
Idaho, western South Dakota, western Ne-
braska, and the part of Texas which is
directly south of New Mexico.
Using unleaded gasoline with an octane
rating lower than stated above can cause
persistent, heavy ``spark knock.''
(``Spark knock'' is a metallic rapping
noise.) If severe, this can lead to engine
damage. If you detect a persistent heavy
spark knock even when using gasoline
of the stated octane rating, or if you hear
steady spark knock while holding a
steady speed on level roads, have an
authorized dealer correct the condition.
Failure to correct the condition is misuse
of the vehicle, for which NISSAN is not
responsible.
Incorrect ignition timing may result in spark
knock, after-run or overheating, which may
cause excessive fuel consumption or en-
gine damage. If any of the above symptomsare encountered, have your vehicle
checked at an authorized NISSAN dealer or
other competent service facility.
However, now and then you may notice
light spark knock for a short time while
accelerating or driving up hills. This is
no cause for concern, because you get
the greatest fuel benefit when there is
light spark knock for a short time under
heavy engine load.
10-4Technical and consumer information
ZX

cAlways block the wheels on both vehicle
and trailer when parking. Parking on a
slope is not recommended; however, if
you must do so, and if your vehicle is
equipped with an automatic transmis-
sion, first block the wheels and apply the
parking brake, and then move the shift
lever into the P position. If you move the
shift lever to the P position before block-
ing the wheels and applying the parking
brake, transmission damage could occur.
cWhen going down a hill, shift into a lower
gear and use the engine braking effect.
When ascending a long grade, downshift
the transmission to a lower gear and
reduce speed to reduce chances of en-
gine overloading and/or overheating.
cIf the engine coolant rises to an ex-
tremely high temperature when the air
conditioner system is on, turn off the air
conditioner. Coolant heat can be addi-
tionally vented by opening the windows,
switching the fan control to high and
setting the temperature control to the
HOT position.
cTrailer towing requires more fuel than
normal circumstances.cAvoid towing a trailer for the first 500
miles (800 km).
cHave your vehicle serviced more often
than at intervals specified in the recom-
mended Maintenance Schedule.
cWhen making a turn, your trailer wheels
will be closer to the inside of the turn than
your vehicle wheels. To compensate for
this, make a larger than normal turning
radius during the turn.
cCrosswinds and rough roads will ad-
versely affect vehicle/trailer handling,
possibly causing vehicle sway. When
being passed by larger vehicles, be pre-
pared for possible changes in crosswinds
that could affect vehicle handling. If
swaying does occur, firmly grip the steer-
ing wheel, steer straight ahead, and im-
mediately (but gradually) reduce vehicle
speed. This combination will help stabi-
lize the vehicle. Never increase speed.
cBe careful when passing other vehicles.
Passing while towing a trailer requires
considerably more distance than normal
passing. Remember the length of the
trailer must also pass the other vehicle
before you can safely change lanes.cTo maintain engine braking efficiency
and electrical charging performance, do
not use fifth gear (manual transmission)
or overdrive (automatic transmission).
cAvoid holding the brake pedal down too
long or too frequently. This could cause
the brakes to overheat, resulting in re-
duced braking efficiency.
When towing a trailer, change the trans-
mission fluid more frequently. For addi-
tional information see the ``Mainte-
nance'' section earlier in this manual.
Technical and consumer information
10-17
ZX

Map lights .................................................. 2-22
Meters and gauges ...................................... 2-2
Mirror
Inside mirror.......................................... 3-13
Outside mirror control ........................... 3-13
Vanity mirror ......................................... 3-14
Multi-remote control system ........................ 3-4
O
Octane rating (See fuel octane rating) ...... 10-3
Odometer ..................................................... 2-3
Oil
Capacities and recommended fuel/
lubricants .............................................. 10-2
Changing engine oil................................ 8-8
Changing engine oil filter........................ 8-9
Checking engine oil level ....................... 8-7
Engine oil ................................................ 8-7
Engine oil and oil filter
recommendation ................................... 10-5
Engine oil viscosity ............................... 10-5
Outside mirror control ................................ 3-13
Overdrive switch .......................................... 5-9
Overheat
If your vehicle overheats ........................ 6-9
Owner's manual/service manual order
forms ........................................................ 10-21P
Parking
Parking brake check ............................. 8-18
Parking brake operation ....................... 5-12
Parking/parking on hills ........................ 5-16
Periodic maintenance schedules ................. 9-5
Power
Power antenna ..................................... 4-26
Power steering fluid .............................. 8-11
Power steering system ......................... 5-17
Power support front seat ........................ 1-5
Power windows..................................... 2-17
Power Lock
Power door locks .................................... 3-3
Precautions
Maintenance precautions ....................... 8-2
Precautions on seat belt usage............ 1-16
Precautions when starting and driving ... 5-2
Push starting ................................................ 6-9
R
Radio
AM-FM radio with cassette player ........ 4-10
AM-FM radio with cassette player and
compact disc player.............................. 4-20
AM-FM radio with compact disc (CD)
player .................................................... 4-15
CB radio or car phone .......................... 4-27Readiness for inspection maintenance
(I/M) test................................................... 10-20
Rear seat ..................................................... 1-7
Rear window defogger switch ................... 2-11
Refrigerant recommendation ..................... 10-7
Registering your vehicle in another
country ..................................................... 10-10
Remote keyless entry system
(See multi-remote control system) .............. 3-4
Reporting safety defects (USA) ............... 10-19
S
Safety
Child safety rear door lock ..................... 3-4
Reporting safety defects (USA) .......... 10-19
Seat belt
Precautions on seat belt usage............ 1-16
Seat belt extenders .............................. 1-24
Seat belt maintenance.......................... 1-24
Seat belts.............................................. 1-16
Shoulder belt height adjustment ........... 1-21
Three-point type without retractor ........ 1-19
Two-point type without retractor
(rear center lap belt) ............................. 1-22
Seat belt warning light ................................. 2-6
Seats
Front seats.............................................. 1-2
Manual front seat adjustment ................. 1-3
Power support front seat ........................ 1-5
Rear seat ................................................ 1-7
11-4
ZX