’03 4Runner_U (L/O 0211)
268
2003 4RUNNER from Oct. ’02 Prod. (OM35804U)
MAINTENANCE
If you tow a trailer, your vehicle will
require more frequent maintenance due
to the additional load. For this informa-
tion, please refer to the scheduled
maintenance information in the “Sched-
uled Maintenance Guide” or “Owner’s
Manual Supplement”.
Retighten all fixing bolts of the towing
ball and bracket after approximately
1000 km (600 miles) of trailer driving.
CONNECTING A TRAILER (models with
rear height control air suspension)
Stop your vehicle and a trailer in line and
perform the following:
1. Put the rear height control air suspen-
sion in the “LO” (low) mode. Turn the
ignition switch off or push the “HEIGHT
CONTROL OFF” switch to turn off the
rear height control air suspension.
2. Connect a trailer.
3. Turn the ignition switch on or push the
“HEIGHT CONTROL OFF” switch to
turn on the rear height control air sus-
pension. Select the “N” (normal) mode
with the height select switch.
DISCONNECTING A TRAILER (models
with rear height control air suspension)
Stop your vehicle and a trailer in line and
perform the following:
1. Put the rear height control air suspen-
sion in the “LO” (low) mode. (Make
sure the vehicle height is in the “LO”
(low) mode by pushing the height se-
lect switch on the “” side.)
2. Turn the ignition switch off or push the
“HEIGHT CONTROL OFF” switch to
turn off the rear height control air sus-
pension.
3. Set the supporting leg of a trailer on
the ground and raise the hitch by 100
mm (4 in.).
4. Turn the ignition switch on or push the
“HEIGHT CONTROL OFF” switch to
turn on the rear height control air sus-
pension.
5. Wait for about 20 seconds until the
rear vehicle height is lowered by the
automatic leveling function.
6. Make sure the hitch is disconnected. If
not, raise the hitch higher and repeat
steps 2 through 5.
7. Move the vehicle forward in the “LO”
(low) mode where the hitch does not
touch anything in the “N” (normal)
mode.
8. Put the rear height control air suspen-
sion in the “N” (normal) mode.
PRE–TOWING SAFETY CHECK
Check that your vehicle remains level
when a loaded or unloaded trailer is
hitched. Do not drive if the vehicle has
an abnormal nose–up or nose–down
condition, and check for improper
tongue load, overload, worn suspension
or other possible causes.
Make sure the trailer cargo is securely
loaded so that it cannot shift.
Check that your rear view mirrors con-
form to any applicable federal, state/
provincial or local regulations. If not,
install the rear view mirrors required
for towing purpose.
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