Lexus RX Owners Manual (RX450h) > Vehicle
specifications: Customization
Customizable features
Your vehicle includes a variety of electronic features that can be
personalized
to suit your preferences. The settings of these features can be changed using
the multi-information display, on the audio system screen, or at your Lexus
dealer.
Customizing vehicle features ...
Lexus RX Owners Manual (RX450h) > Specifications: Fuel information
You must only use unleaded gasoline.
Select premium unleaded gasoline with an octane rating of 91 (Research
Octane Number 96) or higher required for optimum engine performance
and fuel economy.
If the octane rating is less than 91, damage to the engine may occur and may
void the vehicle war ...