Tune up is not specific enough. Unless you have 100k miles on your Lexus then it does not need a tune up. You should call your Lexus service department, or go to Lexus.com to find out what the specifications for the service interval you desire.
The 2007 Lexus IS-250's engine produces 185 ft-lbs. @ 4800 rpm.
The 2007 Lexus IS-250 has 24 valves.
The 2007 Lexus IS-250 has a V6 engine.
The 2007 Lexus IS-250 has a 6-speed manual.
The 2007 Lexus IS-250 is a gas-powered vehicle.
The curb weight of the 2007 Lexus IS-250 is 3455 lbs..
The 2007 Lexus IS-250 has double overhead cam (DOHC).
The height of the 2007 Lexus IS-250 is 4 ft. 8.1 in. (56.1 in.).
The 2007 Lexus IS-250 is 15 ft. 0.1 in. (180.1 in.) long.
The 2007 Lexus IS-250 has a drag coefficient of 0.28 Cd.
The 2007 Lexus IS-250 has 52.7 in. of rear shoulder room.
The 2007 Lexus IS-250 has 36.7 in. of rear head room.