When washing your car, special attention must be paid to protect the locks from unnecessary damage or malfunction. Follow these key points to ensure effective lock protection:

1. Avoid Spraying Water Directly into the Keyhole
Preventive Measures:
Before washing, cover the car door keyhole with tape or a waterproof cover to prevent water from entering. This prevents water from freezing inside the lock cylinder, which could lead to damage or freezing.
Notes:
Ensure the tape or waterproof cover is securely attached to withstand the water pressure during the car wash.

2. Use Gentle Water Flow and Cleaning Agents
Washing Method:
Avoid using high-pressure water jets aimed directly at the keyhole or surrounding areas to minimize water intrusion. Use mild cleaning agents instead of strong corrosive cleaners to protect the lock surface.
Tips:
Opt for dispersed water flow to wash the vehicle, allowing water to spread evenly and reducing direct impact on the lock cylinder.

3. Dry the Lock Cylinder Area Immediately
Post-Wash Care:
After washing, use a clean towel or absorbent paper to thoroughly dry the lock cylinder and its surrounding area to remove any residual moisture. This prevents freezing, which could immobilize the lock cylinder.
Focus Areas:
Pay special attention to door gaps, the connection points between the lock cylinder and the door, and other areas prone to water accumulation.

4. Regularly Inspect the Lock Cylinder
Routine Maintenance:
Apart from precautions during washing, regularly inspect the car lock for signs of wear, looseness, or blockages and address any issues promptly.
Professional Repairs:
If significant issues are detected or if self-repair is not feasible, consult a professional auto repair shop for maintenance or replacement

5. Be Mindful of Washing Time and Environment
Washing Time:
Avoid washing your car in extremely cold weather or after snowfall to reduce the risk of freezing. If washing in such conditions is unavoidable, do so indoors or in a warm environment, and dry the vehicle and lock cylinder promptly.
Washing Environment:
Choose a reputable, professional car wash with proper equipment and quality service. Avoid washing in dusty or heavily polluted areas to minimize damage to the car lock and body.

Summary
Protecting car locks during car washes involves preventing water intrusion, using mild cleaning methods, drying thoroughly, inspecting locks regularly, and being mindful of washing time and environment. Implementing these measures can significantly extend the lifespan of car locks and ensure their optimal functionality.