67• Do not use paper towels to clean the screen.• Never attempt to disassemble, repair or make any modifications to your Navman.Disassembly, modification or any attempt at repair could cause damage to your Navmanand even bodily injury or property damage and will void any warranty.• Do not store or carry flammable liquids, gases or explosive materials in the samecompartment as your Navman, its parts or accessories.• Do not expose your device to direct sunlight in an unattended vehicle for prolongedperiods. Overheating may damage the unit.• To discourage theft, do not leave your device, mounting bracket or any cables in plainview in an unattended vehicle.TroubleshootingIf you encounter a problem you cannot solve, contact an authorized service centre forassistance.Problem SolutionThe unit is not turningon.Try to power the unit through a USBcable connected to a computer. If theunit powers up then the issue is with thevehicle power adapter. If the unit stillfails to power up, then the fault is withthe unit.Contact technical supportand an RMA will be createdto fix the unit or replace thevehicle power adapter.I cannot get a GPS signal. Make sure you are stationary and have aclear line of site to the sky. If this fails toresolve the issue, please reset the GPSchip through the Settings menu of yourunit.If the fault is still not resolved,please visit our self help site(see the information from"Navman customer support"section), or contact ourtechnical support team.My unit is always showingthat the speed limit is 110kph even when it is not.The units are set at a manual speedlimit defaulted at 110 kph. This can bechanged through the "Safety" section ofyour Settings menu.If the fault is still not resolved,please visit our self help site(see the information from"Navman customer support"section), or contact ourtechnical support team.Where is my productkey? I want to activatemy unit.There is no need to activate your unit inany way. This Activation tab within theNavDesk II software is for subscriptions,travel books, international maps andmap upgrades only. Your unit will workstraight out of the box and there is noneed to activate it in any way.If the fault is still not resolved,please visit our self help site(see the information below),or contact our technicalsupport team.