Opel Corsa C is able to change how car unlocks. The features can be activated with OPCOM China clone 2010 firmware 1.59 in order to have all doors open at the same time on the first press on the unlock button.
Tool needed:
OP COM China clone 2010 firmware 1.59 diagnostic cable
A laptop running Win XP mode
PS:
For Opel newer models, like Vectra-C, Astra-H, you should choose OPCOM 2009V with firmware version V1.39.
Instruction:
Well install OPCOM 2010 software
Connect OPCOM interface with vehicle via DLC
Turn vehicle ignition ON
Run software
Select 【Diagnostic】
Select vehicle year
Select vehicle model: 【Corsa C】
Select control unit: 【Body】
Select control module: 【BCM】
The opcom software will detect vehicle information
Select 【Programming】button on the right
Select 【Variant Configuration】
Select and locate doors 【Unlocking Function】
Change the 【Dr Door first】status to 【All】at once
Click 【Program】
After the windows display program finish notice, back and exit the op-com software
Disconnect OPCOM cable
Turn ignition OFF
Press down the unlock button on the fob, all doors will unlock at this time
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