The first thing to do is check all your fuses. The combination meter may need to be replaced.
Blown alternator fusible link. 140 A in a fuse box near battery
If there is a warning light on the dash of a IS300 Lexus it signals an issue with the car. The meaning of these lights can be found in the owners manual.
In a 1993 Lexus gs 300 how to fix the buttons in the middle cansole
If the dash lights come on, but the engine won't start, check the starter. There could also be a problem with the fuel line or the spark plugs. If the engine turns over, but won't start, check all of the fuel sensors. If the motor has a clicking or buzzing sound, check the alternator.
fuse box will be in or under the glove box and the fuse will be blow stopping dash lights from coming on .
Probably the dash fuse is blown, or the dimmer switch for the dash lights is bad!
there is a short in the relay for the head lights
The reason it wont start when the lights don't come on is because at that point your eec a.k.a. ecu,pcm or computer isn't coming on. the causes could be ignition switch or eec relay if you can locate the relay that is the most likely cause.
my car is doing that because one of my abs ensors is broke
Check for a loose ground wire - sounds like lights are backfeeding searching for ground
Which lights?
check the fuse for dash lights