Lexus 2012 RX450h Owner's Manual page 852

5-1. Essential information
STEP 3
Towing with a sling-type truck
Towing with a wheel-lift type truck
From the front (2WD models)
852
Using the tip of the wheel nut
wrench, tighten down the towing
eyelet securely without interfering
with the bumper.
Do not tow with a sling-type truck
to prevent body damage.
Release the parking brake.