Vauxhall 3 Button CAN Flip Remote with ID46 Manchester Transponder Chip. Lock, Unlock and Boot Buttons
Frequency: 433Mhz
Note: This remote works with keyless and non keyless application
Writing on side:
GM 13500232
WITTE
Comes fitted with HU100 key blade 
Programming:
Immobiliser: Diagnostically
Remote: Automatically with immobiliser
Cross Reference:
NOTE: THIS REMOTE WILL WORK ON ASTRA J WITH WITTE 2 BUTTON REMOTE. THIS WILL ALSO ALLOW THE BOOT TO OPEN VIA THE BOOT BUTTON
NOTE:
WORKS ASTRA J CHASSIS NUMBERS AS FOLLOWS:
AFTER/FROM
C1000001
B3000001
BS000001
BG000001