spare key

A hot spare or warm spare or hot standby is a component used as a failover mechanism to provide reliability in system configurations. The hot spare is active and connected as part of a working system. When a key component fails, the hot spare is switched into operation. More generally, a hot standby can be used to refer to any device or system that is held in readiness to overcome an otherwise significant start-up delay.

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  1. Badger192

    Boot wouldn't lock ...... until......

    I've been aware of the keyless boot entry system so didn't give it a second thought when leaving for work in the morning and opening the boot to stick my work gear in without having to use the key to unlock the car as the car key was in my pocket. When parked at home, the car is reversed up to...
    • Badger192
    • Thread
    • boot lock car security keyless entry mg4 remote key fob spare key
    • Replies: 8
    • Forum: MG4 EV Forum
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