Subaru Impreza Manuals 2018 Impreza Owner's Manual | Page 109

2-6 Keys and doors/Keyless access with push-button start system CAUTION . Never leave or store the access key fob inside the vehicle or within 6.6 ft (2 m) around the vehicle (e.g., in the garage). The access key fob may be locked inside the vehicle, or the battery may discharge rapidly. Note that the push-button ignition switch may not turn on in some cases depending on the location of the access key fob. . The access key fob contains electronic components. Observe the following precautions to pre- vent malfunctions. – It is recommended to have the access key battery replaced at an authorized SUBARU dealer to avoid the risk of damage. – Do not get the access key fob wet. If the access key fob gets wet, wipe it off immediately and let it dry completely. – Do not apply strong impacts to the access key fob. – Never leave the access key fob in direct sunlight or any- where that may become hot, such as on the dashboard. It may damage the battery or cause circuit malfunctions. – Do not wash the access key fob in an ultrasonic washer. – Do not leave the access key fob in humid or dusty loca- tions. Doing so may cause malfunctions. – Keep the access key fob away from magnetic sources. – Do not leave the access key fob near a personal computer or home electrical appliance. – Do not leave the access key fob near a battery charger or any electrical accessories. – Do not apply metallic window tint or attach metallic objects to the windows. – Do not fit non genuine acces- sories or parts. . If the access key fob is dropped, the integrated emergency key in- side may become loose. Be care- ful not to lose the emergency key. . When traveling in an airplane, do not press the button of the ac- cess key fob. If any button of the access key fob is pressed, radio waves are emitted and may affect the operation of the airplane. When carrying the access key fob in a bag, take measures to prevent the buttons from being pressed accidentally. NOTE . The operational/non-operational setting for the keyless access function can be changed. For the setting proce- dure, refer to “Disabling keyless ac- cess function” F2-14. . For detailed information about the operation method for the push-button ignition switch while the keyless ac- cess function is switched to the non- operational mode, refer to “Access key fob – if access key fob does not operate properly” F9-18. . The keyless access with push-but- ton start system uses weak radio waves. The status of the access key fob and environmental conditions may interfere with the communication be- tween the access key fob and the vehicle under the following conditions, and it may not be possible to lock or unlock the doors or start the engine. – When operating near a facility where strong radio waves are trans- mitted, such as a broadcast station