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184
4-1. Before driving
for a more safe trailer hookup, the trailer
ball setup must be the proper height for the
coupler on the trailer.
Coupler
A
Trailer ball
B
Before towing
■
Check that the following conditions are
met:
●
Ensure that your vehicle's tires are prop-
erly inflated. (P.530)
Trailer tires are inflated according to the
●
trailer manufacturer's recommendation.
●
All trailer lights work as required by law.
●
All lights work each time you connect
them.
The trailer ball is set at the proper height
●
for the coupler on the trailer.
●
The trailer is level when it is hitched.
Do not drive if the trailer is not level, and
check for improper tongue weight, over-
loading, worn suspension, or other possi-
ble causes.
The trailer cargo is securely loaded.
●
●
The rear view mirrors conform to all
applicable federal, state/provincial or
local regulations. If they do not, install
rear view mirrors appropriate for towing
purposes.
■
Adaptive Variable Suspension System
(if equipped)
The suspension can be switched for
improvement in driveability. (P.368)
■
When towing a trailer
Disable the following systems, as the sys-
tems may not operate properly.
LTA (Lane Tracing Assist) (P.248)
●
●
LCA (Lane Change Assist) (if equipped)
(P.253)
LDA (Lane Departure Alert) (P.256)
●
●
Dynamic radar cruise control (P.272)
Cruise control (P.283)
●
BSM (Blind Spot Monitor) (P.301)
●
●
Intuitive parking assist (if equipped)
(P.310)
RCTA (Rear Cross Traffic Alert) function
●
(P.319)
●
PKSB (Parking Support Brake) (if
equipped) (P.327)
Break-in schedule
■
If your vehicle is new or equipped with any
new power train components (such as an
engine, transaxle, transfer [AWD models],
rear differential [AWD models] or wheel
bearing), Lexus recommends that you do
not tow a trailer until the vehicle has been
driven for over 500 miles (800 km).
After the vehicle has been driven for over
500 miles (800 km), you can start towing.
However, for the next 500 miles (800 km),
drive the vehicle at a speed of less than 50
mph (80 km/h) when towing a trailer, and
avoid full throttle acceleration.
Maintenance
■
●
If you tow a trailer, your vehicle will
require more frequent maintenance due
to the additional load. (See "Warranty
and Services Guide", "Owner's Manual
Supplement" or "Scheduled Mainte-
nance".)
Retighten the fixing bolts of the towing
●
ball and bracket after approximately 600
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