Miele CS 1013-1 Operating And Installation Instructions page 3

Safety precautions to take if you smell gas
 Turn off the gas emergency control valve immediately.
This is usually located near the gas meter.
 Eliminate all sources of ignition in a safe manner.
Do not smoke, light cigarette lighters or matches.
 Do not operate electrical lights or switches, i.e. do not switch them "On" or
"Off".
 Open all doors and windows to ventilate the area.
 If the smell of gas persists, evacuate the building.
Gas-heated appliances
3