See also:

If you lose your keys
New genuine Lexus keys can be made by your Lexus dealer using the other keys and the key number stamped on your key number plate. ...

Current Lexus IS 250
Lexus sells the IS 250 in a single trim level, with either rear-wheel drive or all-wheel drive. For power, the 250 comes with a 2.5-liter V6 rated for 204 horsepower and 185 pound-feet of torque. ...

Fuel information
Your vehicle must use only unleaded gasoline. Premium unleaded gasoline with an octane rating of 91 (Research Octane Number 96) or higher required for optimum engine performance. If 91 octane canno ...