Vauxhall ASTRA Owner's Manual page 56

Note
z If the top of the roof is wet, raise roof,
allow water to run off and then open
roof.
z When using a roof rack, check the
clearance of the sun roof to avoid
damage.
Overload
If the system is overloaded, the power
supply is automatically cut off for a short
time.
The system is protected by fuses in the fuse
box, see page 262.
Keys, doors, windows, TwinTop
Fault
If the sun roof and sunblind do not operate
properly, activate electronics as follows:
1. Switch on ignition.
2. Close the sun roof and hold button
depressed at least 10 seconds.
3. Close sunblind and hold button
depressed at least 10 seconds.
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