Vauxhall Crossland X 2017 Owner's Manual page 22

20 In brief
Caution
After running at high engine
speeds or with high engine loads,
operate the engine briefly at a low
load or run in neutral for
approx. 30 seconds before
switching off, in order to protect
the turbocharger.
Keys, locks 3 21, Laying-up the
vehicle for a long period of time
3 175.