How to Replace the A/C Switch in the HVAC Control Assembly on 2007 Buick LaCrosse?

Start by removing the trim plate from the instrument panel's lower section along with the mounting screws that secure the HVAC control assembly while considering the retainer clips that hold it in position. Before you can remove the HVAC control assembly you must pull it rearward from the instrument panel while also disconnecting its electrical connections. Connect the electrical connectors only with the key in the off position to achieve proper calibration. Secure the HVAC control assembly by installing mounting screws while tightening them to 2 N.m (18 lb in). Afterward, connect electrical connectors to the assembly before reinstalling the device. Reinstall the instrument panel's lower trim plate while avoiding modifications to the HVAC control assembly to maintain proper performance until a 1-minute engine operation commences.

OEM 2007 Buick LaCrosse A/C Switch

Air Conditioning Switch

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4 A/C Switches found

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2007 Buick LaCrosse Heater Control, Rear
Part Number: 25795209
Product Specifications
- Other Name: Control Assembly-Heater & A/C (W/Rear Window Defogger; Climate Control Module; Blower Control Switch; Control, Heater And A/C Control; Control, Rear Window Defogger
- Position: Rear
- Replaces: 15209090, 15294285, 15835174
- Item Weight: 1.20 Pounds
- Item Dimensions: 15.1 x 4.5 x 4.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25795209
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 Buick LaCrosse Submodels:
- CX, CXL, CXS | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS
View related parts
2007 Buick LaCrosse Heater Control, Rear
Part Number: 15849779
Product Specifications
- Other Name: Control Assembly-Heater & A/C (W/Rear Window Defogger; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, Heater And A/C Control; Control, Rear Window Defogger
- Position: Rear
- Replaces: 10400098, 15835326, 15785453
- Item Weight: 1.20 Pounds
- Item Dimensions: 13.3 x 4.3 x 4.5 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 15849779
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 Buick LaCrosse Submodels:
- CX, CXL, CXS, Super | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS, 8 Cyl 5.3 L GAS
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2007 Buick LaCrosse Dash Control Unit, Rear
Part Number: 25845879
Product Specifications
- Other Name: Control Assembly-Heater & A/C (W/Rear Window Defogger; Climate Control Module; Control, Heater And A/C Control; Control, Rear Window Defogger
- Position: Rear
- Replaces: 15849781, 15949272
- Item Weight: 1.20 Pounds
- Item Dimensions: 13.4 x 4.5 x 4.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25845879
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 Buick LaCrosse Submodels:
- CX, CXL, CXS | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS
View related parts
2007 Buick LaCrosse Heater Control, Rear
Part Number: 25845880
Product Specifications
- Other Name: Control Assembly-Heater & A/C (W/Rear Window Defogger; Climate Control Module; Blower Control Switch; Dash Control Unit; Control, Heater And A/C Control; Control, Rear Window Defogger
- Position: Rear
- Replaces: 15949273
- Item Weight: 1.20 Pounds
- Item Dimensions: 12.9 x 4.4 x 4.4 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 25845880
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2007 Buick LaCrosse Submodels:
- CX, CXL, CXS | 6 Cyl 3.6 L GAS, 6 Cyl 3.8 L GAS

2007 Buick LaCrosse A/C Switch

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2007 Buick LaCrosse Parts Questions & Experts Answers

Q: How to Replace the A/C Switch in the HVAC Control Assembly on 2007 Buick LaCrosse?
A: Start by removing the trim plate from the instrument panel's lower section along with the mounting screws that secure the HVAC control assembly while considering the retainer clips that hold it in position. Before you can remove the HVAC control assembly you must pull it rearward from the instrument panel while also disconnecting its electrical connections. Connect the electrical connectors only with the key in the off position to achieve proper calibration. Secure the HVAC control assembly by installing mounting screws while tightening them to 2 N.m (18 lb in). Afterward, connect electrical connectors to the assembly before reinstalling the device. Reinstall the instrument panel's lower trim plate while avoiding modifications to the HVAC control assembly to maintain proper performance until a 1-minute engine operation commences.