See also:

Draining of coolant water
If the vehicle is to be left outside without antifreeze, drain the cooling system, including the engine block. Refill before operating the vehicle. For details, see “Engine cooling system” in ...

Clearing the programmed information
Individual buttons cannot be cleared, however to clear all programming, push and hold the two outside buttons and release when the indicator light begins to flash (in approximately 20 seconds) ...

Programming HomeLink
1. To begin, press and hold the two outer HomeLink buttons (to clear the memory) until the indicator light 1 blinks (after 20 seconds). Release both buttons. 2. Position the end of the hand-held ...