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.
Smart key - Security requirements. 1  It is important that the vehicle can't be started when the user and therefore the smart key is outside the vehicle. 2  A second scenario exists under the name relay station attack (RSA). 3  measuring group delay time to detect illegal high values.