One Auto Warranty - Extended Warranty Coverage for Your Car, Truck, SUV, or Van
Call for a Warranty Specialist 1-800-724-8510
Hours of Operation
- Warranty Specialists
- Monday-Friday 8:00 AM to 5:00 PM
Saturday 9:30 AM - 1:30 PM CST
- Customer Service
- Monday-Friday 8:00 AM to 5:00 PM CST
- Administrative Services
- Monday-Friday 8:00 AM to 5:00 PM CST
Contacting Dealer Services
- Warranty Specialists
- By Phone:
- 1-800-724-8510
- By Mail:
- Dealer Services
100 Mall Parkway
Wentzville, MO 63385
Contacting Customer Service
- Warranty Specialists
- By Phone:
- 1-800-649-1856
- By Mail:
- Customer Services
100 Mall Parkway
Wentzville, MO 63385
DS Administrative Office
- By Phone
- 1-800-753-0870
- By Mail
- Dealer Services - Administration
100 Mall Parkway
Wentzville, MO 63385