See also:

INFINITI Vehicle Immobilizer System keys
You can only drive your vehicle using the master or valet keys which are registered to the INFINITI Vehicle Immobilizer System components in your vehicle. These keys have a transponder chip in the key ...

Warning and indicator lights
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Behind the wheel
The EX's 297-horsepower, 3.5-liter V-6 engine was pure joy to drive. The all-wheel-drive EX had the perfect balance of sporty and responsive acceleration, informative road feedback and stability w ...