Page 518 of 612
CONT INUED
Insert the dipstick all the way into
the transmission securely as
shown in the illustration.
Remove the dipstick and check
the f luid level. It should be
between the upper and lower
marks.
Remove the dipstick (yellow loop)
f rom the transmission, and wipe it
with a clean cloth.
Check the f luid level with the engine
at normal operating temperature.
Park the vehicle on level ground.
Start the engine, let it run until the
radiator f an comes on, then shut
of f the engine. For accurate
results, wait about 60 seconds (but
no longer than 90 seconds) bef ore
doing step 2.
1.
2.3.
4.
Automatic Transmission
T ransmission Fluid
Maint enance
515
UPPER MARK
LOWER MARK
DIPSTICK
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2010 TL
Page 519 of 612

Insert the dipstick all the way back
into the transmission securely as
shown in the illustration.
The transmission should be drained
and ref illed with new f luid when this
service is indicated by a maintenance
message on the multi-inf ormation
display.
If you are not sure how to check and
add f luid, contact your dealer.
If the level is below the lower
mark, add f luid into the f iller hole
to bring it to the level between the
upperandlowermarks.
Pour the f luid slowly and caref ully
so you do not spill any. Clean up
any spill immediately; it could
damage components in the engine
compartment.
Always use Acura ATF-Z1
(automatic transmission f luid).
5.
6.
T ransmission Fluid
516
Using transmission f luid other than
Acura ATF-Z1 may cause deterioration
in transmission operation and
durability, and could result in damage
to the transmission.
Damage resulting f rom the use of
transmission f luid other than Acura
AT F-Z1 is not covered by the Acura
new vehicle warranty. Use only Acura ATF-Z1 (automatic
transmission f luid). Do not mix with
other transmission f luids.
09/07/29 18:29:34 31TK4610_521
2010 TL
Page 520 of 612

Remove the check bolt and look for
transmission f luid coming out of the
bolt hole. If a small amount of f luid
drips out of the bolt hole, reinstall
the check bolt.
Check the f luid level with the
transmission at normal operating
temperature and the vehicle sitting
on level ground.
To check the transmission f luid level,
remove the mounting bolt and the
under cover holding clips, then pull
out the driver’s side under cover
caref ully.
If no f luid comes out, remove the
f iller bolt. Slowly add Acura Manual
Transmission Fluid (MTF) until it
starts to run out of the check bolt
hole.Pour the f luid into the f iller hole
slowly and caref ully so you do not
spill any. Clean up any spills
immediately; it could damage
components in the engine
compartment.
Let the f luid run out until it stops,
then reinstall the check bolt and the
f iller bolt.
CONT INUED
T ransmission Fluid
Manual Transmission
Maint enance
517
WASHER
CHECK BOLT
FILLER BOLT
09/07/29 18:29:46 31TK4610_522
2010 TL
Page 521 of 612

µµ
Reinstall the under cover, tighten the
mounting bolt securely, then put the
holding clips back in place. Make
sure the under cover is installed
under the edge of the f ront bumper.
The rear dif f erential should be
drained and ref illed with new f luid
according to the maintenance
minder. Have your dealer replace the
rear dif f erential f luid.
Always use Acura ATF-Z1.The transf er assembly f luid should
be drained and ref illed with new f luid
according to the maintenance
minder. Have your dealer replace the
transf er assembly f luid.
If Acura MTF is not available, you
may use an SAE 10W-30 or 10W-40
viscosity motor oil with the API
Certif ication Seal that says ‘‘FOR
GASOLINE ENGINES’’ as a
temporary replacement. However,
motor oil does not contain the proper
additives, and continued use can
cause stiffer shifting. Replace as
soon as it is convenient.
The transmission should be drained
and ref illed with new f luid according
to the maintenance minder (see page
).
If you are not sure how to check and
add f luid, contact your dealer. UseaSAE90orSAE80W-90
viscosity hypoid gear oil, API service
classif ied GL4 or GL5 only, in the
transfer assembly.
Viscosity
497
On SH-AWD models On SH-AWD models
Transmission Fluid, Rear Dif f erential Fluid, Transf er A ssembly Fluid
Rear Dif f erential FluidTransf er Assembly Fluid
518
SAE 90: above 0°F ( 18°C)
SAE 80W-90: below 0°F ( 18°C)
09/07/29 18:29:58 31TK4610_523
2010 TL
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The f luid level should be between
theMINandMAXmarksontheside
of the reservoir. If the level is at or
below the MIN mark, your brake
system needs attention. Have the
brake system inspected f or leaks or
worn brake pads.
You need to remove the lef t engine
compartment cover to check the
f luid level (see page ).
Check the f luid level in the
reservoirs monthly. There are up to
two reservoirs, depending on the
model. They are:
Brake f luid reservoir (all models)
Clutch f luid reservoir
(manual transmission models
only)
To access the reservoirs, remove the
lef t engine compartment cover (see
page ).
You will also see a ‘‘LOW BRAKE
FLUID’’ message on the multi-
inf ormation display.
Replace the brake f luid every 3 years,
independent of the maintenance
message in the multi-inf ormation
display. Always use Honda Heavy Duty
Brake Fluid DOT 3. If it is not
available, you should use only DOT 3
or DOT 4 f luid, f rom a sealed
container, as a temporary
replacement.
Brake f luid marked DOT 5 is not
compatible with your vehicle’s
braking system and can cause
extensive damage. Using any non-Honda brake f luid can
cause corrosion and decrease the lif e
of the system. Have the brake
system f lushed and ref illed with
Honda Heavy Duty Brake Fluid
DOT 3 as soon as possible.
508
508
Brake and Clutch Fluid
Brake Fluid
Maint enance
519
MAX
MIN
09/07/29 18:30:10 31TK4610_524
2010 TL
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Theheadlightswereproperlyaimed
when your vehicle was new. If you
regularly carry heavy items in the
trunk, readjustment may be required.
Adjustmentsshouldbedonebyyour
dealer or another qualif ied
technician.Your vehicle has halogen high beam
headlight bulbs which are also used
f or the daytime running light.
Handle it by its base and protect the
glass from contact with your skin or
hard objects. If you touch the glass,
clean it with denatured alcohol and a
clean cloth.
Open the hood.
Remove all engine compartment
covers (see page ). If youarereplacingthebulbon
the driver’s side, remove the three
holding clips with a f lat-tip
screwdriver. Then remove the
upper part of the air intake duct by
pulling it straight up.
The low beam headlight bulbs are a
type of high voltage discharge tube.
High voltage can remain in the
circuit even with the light switch of f
and the key removed (or the vehicle
is in VEHICLE OFF (LOCK) mode
on models with keyless access
system). Because of this, you should
not attempt to examine or change a
low beam headlight bulb yourself . If
a low beam headlight bulb fails, take
the vehicle to your dealer to have it
replaced.
1.
2.
508
CONT INUED
Headlight A iming
L ow Beam Headlight Bulb
Replacement Replacing a High Beam
Headlight/Daytime Running
Light Bulb
Lights
Maint enance
521
HOLDING CLIP
Halogen bulbs get very hot when lit. Oil,
perspiration, or a scratch on the glass
can cause the bulb to overheat and
shatter.
09/07/29 18:30:32 31TK4610_526
2010 TL
Page 525 of 612
Push the electrical connector back
onto the bulb. Make sure it is on
all the way.
Remove the electrical connector
f rom the bulb by pushing on the
tab and pulling the connector
down.
Remove the bulb by turning it one-
quarter turn counterclockwise.
Insert the new bulb into the hole,
and turn it one-quarter turn
clockwise to lock it in place.
To change a bulb on the
passenger’s side, remove the
engine coolant reserve tank by
pulling it out of its stay. Turn on the headlights to test the
new bulb.
Install the upper part of the air
intake duct securely. Reinstall the
holding clips. (Driver’s side)
Install all engine compartment
covers. Install the engine coolant reserve
tank. (Passenger’s side)
4.
5. 6.
7.
8.
3. 9.
10.
Lights
522
RESERVE TANK BULB
CONNECTOR
STAY
09/07/29 18:30:47 31TK4610_527
2010 TL
Page 526 of 612
Start the engine. If you are
replacing a driver’s side bulb, turn
the steering wheel all the way to
theright.If youarereplacinga
passenger’s side bulb, turn the
steering wheel to the lef t. Turn of f
the engine.Use a wrench to remove the
mounting bolts, and remove the
holding clip with a f lat-tip
screwdriver.
Use a f lat-tip screwdriver to
remove the holding clips f rom the
edge of the inner f ender cover,
and pull the inner f ender cover
back. 3.
2.
1.
CONT INUED
Replacing the Front Side Marker
Light Bulb
Lights
Maint enance
523
HOLDING CLIP
HOLDING
CLIP SPOILER
BOLTS
09/07/29 18:30:56 31TK4610_528
2010 TL