2008 Toyota Highlander Owners Manual - Page 1049
2008 Toyota Highlander Manual
Page 1049 highlights
4-3. Do-it-yourself maintenance n Replacing the battery (vehicles with smart key system) STEP 1 Take out the mechanical key. STEP 2 Remove the cover. STEP 3 Remove the depleted battery. Insert a new battery with the "+" terminal facing up. 454
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