Lexus RX350 - Page 172

172
4-1. Before driving
Ball diameter
Matches the size of the trailer coupler.
Most couplers are stamped with the
required trailer ball size.
Shank length
Protrudes beyond the bottom of the lock
washer and nut by at least 2 threads.
Shank diameter
Matches the ball mount hole diameter size.
Weight carrying ball position
• RX350 : 44.96 in. (1142 mm)
• RX350L : 49.72 in. (1263 mm)
Hitch receiver pin hole position
• RX350 : 35.94 in. (913 mm)
• RX350L : 45.08 in. (1145 mm)
Use the wire harness stored in the rear
end under body.
■ Auto current cut-off function
In case of over current, the auto cut-off
function stops the power flowing to the
trailer lights to prevent damage to the vehi-
cle’s electrical system.
This function is activated when the rated
current of any of the following trailer light
circuit components is exceeded:
● Tail lights: maximum 7.8 A
● Stop/turn signal light (right): maximum
4.5 A
● Stop/turn signal light (left): maximum 4.5
A
■ When the auto current cut function is
activated
If a trailer light does not come on due to the
activation of the auto current cut function,
the light system will need to be reset.
Follow the reset procedure shown below.
● If a tail light does not come on, turn off the
headlight switch.
● If the right-side stop/turn signal light does
not come on, put the turn signal in the off
position or remove foot from the brake
pedal.
● If the left-side stop/turn signal light does
not come on, put the turn signal in the off
position or remove foot from the brake
pedal.
If the emergency flashers do not operate,
press the emergency flasher switch to turn
them off.
After the light system is reset, operate the
light switches again to see if the lights oper-
ate normally.
If the lights do not operate normally, have
Positions for towing hitch
receiver and hitch ball
Connecting trailer lights
B
C
D
A
B