SIRI via handsfree in car bluetooth

hi all
possible activate siri in car bluetooth without holding home button?
have talk , end , listen mode connects car.
wondering if button can turn on siri.
have lexus ct200 if helps, no nav,

side note...is possible transfer address book car? know?

 

if jailbreak phone there tweak believe called handsfree siri , let activate siri saying "siri" , whatever want do. no need touch phone.

 

Forums iPhone, iPad, and iPod Touch iPhone iPhone

• iPhone
• Mac OS & System Software
• iPad
• Apple Watch
• Notebooks
• iTunes
• Apple ID
• iCloud
• Desktop Computers
• Apple Music
• Professional Applications
• iPod
• iWork
• Apple TV
• iLife
• Wireless