See also:

Engine immobilizer system
The vehicle’s keys have built-in transponder chips that prevent the engine from starting if a key has not been previously registered in the vehicle’s onboard computer. Never leave the keys in ...

Engine
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If your vehicle fails an emissions test
If your vehicle fails an EPA-approved emissions test, you may make a claim under the Emission Performance Warranty. To do so, take your vehicle to an authorized Lexus dealership and present a cop ...