Remote Keyless Entry (RKE) System Operation

The transmitter functions will work up to 20m(65 ft) away from the vehicle.

Keep in mind that other conditions, such as those previously stated, can impact the performance of the transmitter.

See also:

Customer Satisfaction Procedure
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Under the Hood
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Adjusting the Volume
Turn the VOL/ knob to adjust the volume of the infotainment system after the volume level has been set on the portable audio device. ...