Standard Motor Products MRS38
Standard Motor Products MRS38 Mirror Switch User Manual
Model: MRS38
Introduction
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of the Standard Motor Products MRS38 Mirror Switch. Please read this manual thoroughly before beginning any procedures to ensure proper function and safety.
The MRS38 Mirror Switch is designed to deliver trouble-free, consistent performance and is manufactured from high-quality materials to meet or exceed strict quality requirements for automotive applications.
Product Overview

Figure 1: Front view of the MRS38 Mirror Switch, showing the main control knob and the "STANDARD MIRROR" branding.

Figure 2: Side view of the MRS38 Mirror Switch, illustrating its compact profile and mounting tabs.

Figure 3: Rear view of the MRS38 Mirror Switch, displaying the multi-pin electrical connector for vehicle integration.
Specifications
| Attribute | Value |
|---|---|
| Brand | Standard Motor Products |
| Model Number | MRS38 |
| Item Weight | 1 pound |
| Product Dimensions (L x W x H) | 2 x 5 x 2 inches |
| Mounting Type | Panel Mount |
| Control Method | Remote |
| UPC | 025623716510 |
Setup and Installation
The MRS38 Mirror Switch is designed for panel mounting and requires specific vehicle integration. Professional installation is recommended for optimal performance and safety.
Pre-Installation Checklist:
- Ensure the vehicle's ignition is off and the battery is disconnected to prevent electrical shorts.
- Verify the MRS38 switch is the correct replacement part for your vehicle's make, model, and year. Refer to your vehicle's service manual for compatibility.
- Gather necessary tools, which may include screwdrivers, trim removal tools, and a wiring diagram for your vehicle.
Installation Steps:
- Access the Existing Switch: Carefully remove the trim panel surrounding the existing mirror switch. Use appropriate trim removal tools to avoid damaging the interior.
- Disconnect Wiring: Disconnect the electrical connector from the back of the old mirror switch. Note the orientation of the connector if it is not keyed.
- Remove Old Switch: Unclip or unscrew the old mirror switch from its mounting location.
- Install New Switch: Insert the Standard Motor Products MRS38 Mirror Switch into the panel opening. Ensure it clicks securely into place or is fastened with screws as per the original design.
- Connect Wiring: Reconnect the vehicle's electrical harness to the multi-pin connector on the back of the MRS38 switch. Ensure a firm connection.
- Test Functionality: Before reassembling the trim, reconnect the vehicle battery and turn the ignition to the accessory position. Test the mirror switch functionality (adjusting mirrors, folding mirrors if applicable).
- Reassemble Trim: Once functionality is confirmed, carefully reattach the interior trim panel.
Note: Always consult your vehicle's specific repair manual for detailed instructions and safety precautions related to electrical system work.
Operating Instructions
The MRS38 Mirror Switch provides remote control over your vehicle's side mirrors. The exact functions may vary slightly depending on your vehicle's specific features.
Basic Operation:
- Mirror Selection: Typically, there is a selector switch or button to choose which mirror (left or right) you wish to adjust. Move the selector to 'L' for the left mirror or 'R' for the right mirror.
- Mirror Adjustment: Once a mirror is selected, use the directional control knob or joystick to move the mirror glass.
- Push the knob/joystick up to move the mirror glass up.
- Push the knob/joystick down to move the mirror glass down.
- Push the knob/joystick left to move the mirror glass left.
- Push the knob/joystick right to move the mirror glass right.
- Mirror Folding (if applicable): Some vehicles may have a feature to fold the mirrors. This is usually activated by a separate button or by rotating the main control knob to a specific position. Refer to your vehicle's owner's manual for this specific function.
Ensure the vehicle is stationary and in a safe location when adjusting mirrors to avoid distraction while driving.
Maintenance
The Standard Motor Products MRS38 Mirror Switch is designed for durability and requires minimal maintenance. However, following these guidelines can help ensure its longevity:
- Cleaning: Clean the surface of the switch with a soft, damp cloth. Avoid using harsh chemicals, abrasive cleaners, or excessive moisture, as these can damage the plastic and electronic components.
- Avoid Force: Do not apply excessive force when operating the switch. Gentle pressure is sufficient for all functions.
- Environmental Protection: While designed for automotive environments, extreme temperatures or prolonged exposure to direct sunlight can potentially affect the material over time.
- Professional Inspection: If you suspect any issues with the switch's internal components or wiring, it is recommended to have it inspected by a qualified automotive technician.
Troubleshooting
If you experience issues with your MRS38 Mirror Switch, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Mirror does not move in any direction. |
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| Only one mirror adjusts, or one direction doesn't work. |
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| Switch feels loose or unresponsive. |
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For complex electrical issues or if the above steps do not resolve the problem, it is advisable to seek assistance from a certified automotive technician.
Warranty and Support
Standard Motor Products stands behind the quality of its products. For specific warranty information regarding the MRS38 Mirror Switch, please refer to the warranty documentation provided with your purchase or visit the official Standard Motor Products website.
If you have any questions, require fitment information for your vehicle, or need technical assistance, please contact Standard Motor Products customer support:
- Website: www.smpcorp.com
- Customer Service: Refer to the contact section on the official website for phone numbers or email support.
When contacting support, please have your product model number (MRS38) and any relevant purchase information ready.
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