Mercedes-Benz A-Class 2021 Operator's Manual page 148

146 Driving and parking
Never leave the engine or, if present,
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the auxiliary heating running in an
enclosed space without sufficient venti‐
lation.
& WARNING Risk of injury when opening
or closing a door with the garage door
opener
When you operate or program the door with
the integrated garage door opener, persons
in the range of movement of the door may
become trapped or be struck by the door.
Always make sure that nobody is within
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the range of movement of the door.
Only operate the following doors using the
garage door opener:
Doors with a safety stop and reversing fea‐
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ture
Doors which conform to the current U.S.
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safety standards
Requirements:
The vehicle has been parked outside the
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garage or outside the range of movement of
the door.
The engine is switched off.
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The ignition is switched on.
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% The garage door opener function is always
available when the ignition is switched on.
Check if the transmitter frequency of the
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remote control has the frequency range of
280 to 868 MHz.
Radio equipment approval number:
NZLMUAHL5 (USA)
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4112A-MUAHL5 (Canada)
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Press and hold button 1, 2 or
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wish to program.
Indicator lamp 4 flashes yellow.
% It can take up to 20 seconds before the indi‐
cator lamp flashes yellow.
Release the previously pressed button.
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Indicator lamp 4 continues to flash yellow.
Point remote control 5 from a distance of
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0.4 in (1 cm) to 3 in (8 cm) towards button
1, 2 or 3.
Press and hold button 6 of remote control
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5 until one of the following signals appears:
Indicator lamp 4 lights up green contin‐
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uously. Programming is complete.
Indicator lamp 4 flashes green. Pro‐
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gramming was successful. Additionally,
3 that you