at least 91 octane
book says regular.
PREMIUM
It is recommended that a 2008 Lexus uses premium gasoline. A Lexus has a high performance engine and will run better with a better quality of gas.
Use 91 octane or higher octane rating premium gas for the 2009 Lexus RX350
Yes.
Inside gas tank
I have a 96 Lexus 300 and after taking off the gas tank, and replacing it they found it was a filter somewhere in the fuel line that was clogged.
Hi I have a Lexus es 300 it's a 93 and the button to open the trunk is next to the gas button on the driver door
In the gas tank
Premium
bout 30 gallons