It is recommended that you clean your TomTom Touch once a week if you use it frequently.
Wipe the TomTom Touch with a damp cloth as needed. Use mild soap to remove oil or dirt.
Do not expose your TomTom Touch to strong chemicals such as gasoline, cleaning solvents, acetone, alcohol, or insect repellents. Chemicals can damage the seal, case, and finish.
Clean the heart rate sensor area and connection pads with mild soap and water as needed.
Do not scratch the heart rate sensor area. Protect it from damage.