For service and parts needs, visit your dealer. You will receive genuine GM parts and GM-trained and supported service people.
Genuine GM parts have one of these marks:

Vehicle Care
California Proposition 65 WarningFront Fender Emblem/Nameplate Replacement (1.8L 2H0 or 2.0L Diesel)
Front Fender Emblem Assembly
Caution: Refer to Exterior Trim Emblem Removal Caution in the
Preface section.
Procedure
The part and surface should be 21°C (70°F) prior to installation. The
vehicle should remain 21°C (70°F) for
one hour after assembly to allow adhesive to develop suff ...
Front Side Door Window Weatherstrip Replacement
Preliminary Procedure
Remove the outside rearview mirror. Refer to Outside Rearview
Mirror Replacement.
Remove the front side door window frame rear cover. Refer to Front Side
Door Window Frame Rear Cover Replacement.
Front Side Door Window Weatherstrip
Procedure
Pull the ...
Turn and Lane-Change Signals
Move the lever all the way up or down to signal a turn.
An arrow on the instrument cluster will flash in the direction of the turn or
lane change.
Raise or lower the lever until the arrow starts to flash to signal a lane change.
The turn signal flashes three times.
The lever returns to its ...