On the security front, Vauxhall fits all its Vivaros with deadlocks and an engine immobiliser as standard, but if you want the smart keyless entry system you'll need to pay for it from the options list. (autoexpress.co.uk)
The following can all help cut the cost of cover: have an approved immobiliser fitted, keep the vehicle garaged / on a driveway overnight, have a telematics - based pay as you drive policy. (politics.co.uk)
The engine would turn over but the engine immobilizer prevented it from firing (Engine immobiliser fault shown in console.) (mechanics.stackexchange.com)