From the City Sightseeing South Africa website;
Get closer to iconic monuments and famous landmarks on our Cape Town sightseeing bus tours. Our hop-on, hop-off tours allow you to explore the best of this city, at your own pace. With over 30 stops across 3 different routes, you’ll have plenty of opportunities to hop off the bus and explore the Cape Town landmarks and attractions that appeal to you most.
From the Capetown City Pass website:
With an extending ramp and wheelchair space on its lower deck, the City Sightseeing Bus is the perfect way to enjoy the Mother City’s legendary beauty and cultural hotspots.