In addition, the MATH 246 requirement may be fulfilled by MATH 414 instead. If MATH 414 is used to fulfill the MATH 246 requirement, it may also be used as one of the upper level math requirements in (3)(g)(ii) below.
Smart keys are part of a computerized system that uses sensors and microchips to automatically unlock the doors and start the vehicle without the use of a key [source: Toyota]. Smart keys are often shaped more like plastic cards than actual keys.
Lexus keys are under the high security or laser cut category. All Lexus keys are high security and most Lexus keys have a transponder chip inside and need to be programmed to the ECU. In 2005 Lexus introduced the Proximity remotes or the Smart key,that allows you to open the car and start it without the key.