1. Introduction
The Garmin Forerunner 955 is a premium GPS running and triathlon smartwatch designed to support athletes in their training and performance. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your device, ensuring you get the most out of its advanced features.

Figure 1: Garmin Forerunner 955 Whitestone Smartwatch, front view.
5. Maintenance
5.1. Battery Life and Charging
The Forerunner 955 offers impressive battery life:
- Up to 15 days in smartwatch mode.
- Up to 42 hours in GPS mode.
- Up to 80 hours in UltraTrac mode.
To charge, connect the device using the included charging/data cable to a USB power source. Regular charging helps maintain battery health.

Figure 6: Rear view of the Forerunner 955, showing the charging contacts and optical heart rate sensor.
5.2. General Care
- Cleaning: Regularly clean your watch and strap with a soft, damp cloth to prevent buildup of sweat and debris.
- Water Resistance: The device is designed for water activities; however, avoid pressing buttons underwater to prevent water ingress. Rinse with fresh water after exposure to chlorinated or salt water.
- Storage: Store the device in a cool, dry place when not in use.
8. Warranty and Support
For warranty information, product registration, and additional support resources, please visit the official Garmin website or contact Garmin customer service. Keep your proof of purchase for warranty claims.
Garmin Support: www.garmin.com/support